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    The Pacific War – week by week

    The Pacific War – week by week 80 years after

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    - 122 - Pacific War - Operation Thursday, March 19-26, 1944 Mar 19, 2024
    Show notes

    Last time we spoke about the beginning of the Japanese counteroffensive on Bougainville, action on the Burma front and New Guinea. General Hyakutake was under immense pressure to dislodge the Americal force from Bougainville. He unleashed a grand counter offensive trying to break the American defensive lines. Both the Japanese and Americans began suffering heavy casualties, yet neither side wavered in its resolve. Over in the Burma front, the Galahad unit, aka Merrills marauders joined their British, American and Chinese allies in pushing the Japanese back. There were some issues involving friendly fire, but overall the allies were making gains in a theater where the Japanese had dominated for years. Over in New Guinea, the Japanese were continuing to retreat to Madang. Things were going so terribly, units were now being deployed to defend the western part of New Guinea. Japan was simply not winning the war of attrition. This episode is the Operation Thursday Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. Things have really been heating up on the Burma front. General Mutaguchi basically tricked his own superiors into allowing him to invade India under the guise of Operations HA-GO and U-GO. This saw Japanese units advancing towards Imphal and Kohima. On the other side General Stilwell’s forces were advancing upon Myitkyina in the north, as General Slim’s 15th corp were clashing with the Japanese in the Arakan region. Americans, British, Indians, Chinese were all performing operations to halt Japanese attacks and push further into Burma, but on top of all of that, we now need to talk about our favorite child born from the onion eating madman Wingate, the Chindits. All the way back in early February, Operation Thursday was in development. The operation was basically an extended version of the first Chindit raid, this time in two waves, with 3 brigades making long marches across the Chindwin. The first wave would go into the enemy territory, then 2-3 months later the second wave would come in to reinforce them. There were large issues with the operation, namely a lack of aircraft. Aircraft were being used for the Arakan campaign and flying supplies over the Hump. Chiang Kai-shek would not part with any aircraft set to go over the Hump and not even Mountbatten had the authority to touch the issue. Regardless Thursday would be authorized and its goals were as follows; to assist Stilwell’s advance; to create favorable conditions for the Y-Force to gord the Salween and to inflict maximum damage to the Japanese in northern Burma. Their principles targets were the Shwebo-Myitkyina railway and the Myitkyina-Bhamo-Indaw road. There would be 4 strongholds to be designated, Piccadilly, Chowringhee, Broadway and Templecombe, the last one later renamed Aberdeen. The US 900th airborne engineer company would clear strips suitable for Dakotas to land. On February 4th Wingate and Stratemeyer, commander of the Eastern Air command issued the essential guidelines for Thursday, stressing this raid would require the wounded being flown out from the strongholds rather than to be abandoned as was the case with the first expedition. Stratemeyer added orders to bomb the stronghold areas prior to their establishment, though Wingate had instead favored diversionary bombings of Rangoon, Mandalay and Bangkok. On February 5th of 1944, Fergussons 16th brigade kicked off first from Ledo and onlookers would remark they looked more like a mule train than a commando force. There were elephants, 250 bullocks, 547 horses and 31314 mules assigned to the operation. Fergusson’s 4000 men took 500 mules, fully laden along with them. They avoided Japanese forces by traversing exceptionally difficult terrain. It would be a full month before all Brigade Battalions crossed the Chindwin river. The main target was Indaw, although two Columns were tasked to attack the town of Lonkin, in the Kachin Hills and 20 miles west of Kamaing. Two gliders, loaded with folding boats, outboard engines, and gasoline, were towed by air to the Chindwin River and softly set down on a sandbar. Not only were the necessities delivered to Fergusson, but also for reuse the pair of C-4As were plucked from the scene by a C-47. Wingate traveled with Fergusson and his men for the first the start of the grueling ascent up the Paktai. They faced mud slides, torrential rain, the usual Burma experiences. It would take them all of February to reach the Chindwin, after that it was another 200 miles to their target of Indaw. Wingate departed after the first few days, but would come back over by aircraft to observe the crossing of the Chindwin. Fergusson had been critical of Wingate in January, describing him as a liar, but he continued to believe in the man. “Wingate was sometimes wrong in small things but never in big.’ When Wingate met Fergusson he showed up with an entourage of war correspondents, trying to publicize the Chindits activities. He began talking to them of a new fad he came across, turtle eggs which he declared provided singular nourishment. Like so many of Wingate’s eccentric ideas, no one favored it. Turtles’ eggs were found to be no more appetizing than those of any other reptile, and in fact many of the Chindits experienced stomach pains and other digestive problems after eating them. Then Fergusson had to tell Wingate they could not possibly reach Indaw earlier than March 20th. The expectation had been March 5th, thus Wingate was pissed. At the same time, the 1st air commando had performed aerial reconnaissance over the 3 selected locations suitable for bringing gliders, Broadway, Piccadilly and Chowringhee. Yet Wingate had issued strict orders banning any further overflights fearing it would give up their intentions to the Japanese. Despite the warning, Colonel Cochram dispatched a B-25 on March 5th to perform a final look over the sites, giving last minute reports that Broadway and Chowinghee were clear, but it looked like teak logs were sprawled over the Piccadilly site. Since the Piccadilly site seemed unsuitable, Brigadier Calvert persuaded Wingate to send the Gliders into Broadway. On the night of March 5th, the gliders carrying the second wave were flown in. The pathfinder gliders, first to touch down, set out flare pots to facilitate succeeding waves of gliders. However, the field proved far less accessible than expected. For many years, the local people had logged teak and during the wet season, slid the huge logs across the ground down to a river. Over time the technique gouged deep ruts that elephant grass covered, making the trenches invisible to aerial photographs or reconnaissance. Co-commander of the 1st air commando group John Richardson Alison recalled "They formed perfect glider traps, and there was no way to avoid them. The gliders arrived overhead in large numbers, and when a glider starts down there is no way to stop it. As each one hit the trenches the landing gears would come off and the gliders would go in a heap. We tried to arrange the lights to spread the gliders all over the field to avoid collisions, but this was impossible. They were coming in too fast to change directions, and glider after glider piled into each other while landing.” The next day the gliders landed successfully on Chowringhee and the airstrip was completed by nightfall. Meanwhile transports began to bring Calverts 77th brigade, followed by Brigadiers Lentaigne’s 111th brigade. By the 11th, the fly in was complete, now 9250 Chindits were landed on Broadway and Chowringhee. The Chindits then began their advance east to hit the Lashio-Bahmo-Myitkyina motor supply line. Trekking from Chowringhee, Morris Force Columns headed north-east, to cut the Bhamo-Myitkyina road, as 111 Brigade’s British Battalions marched south from Broadway to link up with other elements flown into Chowringhee. Their job was to stop Indaw being reinforced from the south. Thus, 111th Brigade set up ambushes and roadblocks south of Indaw although part of the brigade which landed at Chowringhee was delayed in crossing the Irrawaddy River, before moving west to Pinlebu. Broadway was held with a garrison that included field artillery, anti-aircraft guns and some six Spitfires that would successfully repel a Ki-43 attack on March 13. Meanwhile Calvert’s columns advanced over the railway towards Henu, where they would establish the White City stronghold, roughly 20 miles north of Indaw. Columns were directed to demolish bridges and railroads around the Kadu, Mawhun and Pinwe stations. It was a long and gruesome march over some very tough terrain. For example, it took Column 45, bringing up the Brigade’s rear, nine days to cover the first 35 miles, to Hkalak Ga. They set out again on February 22nd. By this time, the men were tiring of K-rations, which gave calories but no bulk. Smoking was confined to lunch and evening bivouacs. The Leicesters were in the lead and reached the Chindwin on February 29th. Meanwhile, 45 Recce’s columns, still in the rear, reached the Chindwin during the afternoon of Saturday March 4. It had taken them 21 days to cover some of the wildest, toughest country on earth. After successfully crossing the Chindwin, on March 12th Fergusson received orders to seize Indaw’s airfield, destroy supply dumps in the area and establish a new Stronghold, to be known as Aberdeen. The Brigade continued south, moving parallel to and west of the railway. Meanwhile Calvert’s 5 columns to 5 days to reach Henu. The South Staffords were the first to arrive and the Japanese reacted before they could dig in – they would have to fight for the Block. were on the alert to resist their incursion. In the afternoon of 16th, Calvert launched a bayonet charge up Pagoda Hill, with the Chindits soon engaging the Japanese engineers, who were charging down, in a vicious hand-to-hand combat. Eventually, with the assistance of the 1st Air Commando’s close support, the Japanese were successfully pushed off the hill and the White City stronghold was established. For the loss of 23 dead and 64 wounded, Calvert’s Chindits had killed 42 Japanese and had effectively cut the line of communications supporting the 18th Division far to the north. In the ensuing days, the stronghold would be developed into a fortress, with some airstrips becoming operational by March 21st. The time chosen to drop the Chindits near the 18th Division’s line of communications was most embarrassing to General Tanaka. On January 10, Headquarters, 15th Army, had suspended movement of supplies to the 18th Division in order to accumulate stocks for the projected attack on Imphal. Shipment was to resume as soon as the Imphal operation was underway. Then the Chindits cut the rail line, and just when the supply movement was to have resumed, the 18th Division had to start living on what was at hand in north Burma. It was aided by the 56th Division, which shipped about ninety tons of vital supplies to Myitkyina via Bhamo, but Tanaka's supply position was fundamentally compromised by the Chindits fighting along the railway to north Burma. On the 18th Calvert’s force took a large night drop, including wire and entrenching tools. They slaved away to turn the Block into a fortress. The parachutes festooned across the forest canopy gave the Block its popular name – White City – soon a maze of slit trenches and bunkers roofed with heavy timbers. White City, with its commanding position, became a powerful concentration of force, with Calvert’s three Battalions steadily reinforced. The Block grew a heavily wired perimeter and a garrison strong enough to raise a substantial force for mobile action. Calvert regarded White City as “ideally situated around a series of hills about 30ft to 50ft high, with numerous small valleys in between, with water at the north and south. I brought the village of Henu into our defended area, so that we would have a good field of fire across the paddy to the south. I also brought into the perimeter what we called ‘OP Hill’, a feature slightly higher than our own little hills, to give us good observation. Our perimeter was now about 1,000 yards long, mostly along the railway, and 800 yards deep.” Calvert now had 2,000 men inside the Block, with mobile “floater” columns operating to north and south, together with a sizeable force protecting Broadway. He called in air strikes to punish a Japanese force at nearby Mawlu. Meanwhile the 15th Army's staff were beginning to panic. Many of the officers were beginning to see the paint on the wall and were calling for the Imphal offensive to be abandoned. General Mutaguchi refused to give up and instead directed some troops to thwart the Chindits. To do this a reserve battalion was taken from the 15th, 18th, 33rd and 56th divisions and redirected to Indaw while Colonel Yanagisawa Hiroshi’s 67th regiment moved over to Napin. Major General Hayashi Yoshihide’s 24th independent mixed brigade was ordered to advance north along with some units of the 2nd division who would open a new HQ at Indaw by March 25th. Further behind the lines, the 53rd division led by Lieutenant-General Kono Etsujiro were directed to rush north to engage the enemy as fast as possible. All of this was still a diversion from the main effort against Imphal and it basically helped Stilwell’s operations. To aid the war effort the IJA air force were also stepping up their game. On march 18th, a KI-43 raid managed to destroy some Spitfires grounded at broadway. William 'Babe' Whitamore and Alan M Peart managed to get airborne, with both shooting down one 'Oscar' each. Whitamore was shot down and killed but Peart survived for over half an hour, holding off over 20 enemy fighters. The remaining Spitfires were destroyed on the ground for the loss of another pilot, Lt Coulter. Peart flew back to Kangla the same day in his damaged Spitfire and reported the action. The following day, Fergusson’s footsore columns finally neared Manhton village and prepared to establish the Aberdeen Stronghold. After an appalling final leg of their terrible march into Burma, with progress reduced at some points to 100 yards per hour, the 16th Brigade elements finally reached Aberdeen clearing, some 60 miles west of Broadway Stronghold. The Aberdeen clearing was at Manhton, just east of the Meza River and 25 miles from the railway supplying the Japanese 18th Division, fighting Stilwell’s Chinese troops, and the 56th Division, opposing the Yunnan Chinese. Aberdeen took in three villages: Manhton, Kalat and Naunghmi. Aberdeen’s site had a lot of advantages. It was only two days’ march from Indaw and 14 miles from the Indaw-Banmauk road. The dominant feature was a hill at the northern end, where the permanent garrison would be quartered. There were, however, some drawbacks – mainly the fact that, as Fergusson himself acknowledged, it was “highly accessible” to the enemy. The 16th brigade were exhausted and needed rest, the planned attack against Indaw would have to be delayed. To the south, on the 21st the Japanese launched a major night attack against White City. The battle was ferocious, Calvert’s Chindits managed to successfully repel numerous attacks for over 8 hours until the Japanese finally pulled…

    Full show notes at the publisher

    - 121 - Pacific War - Bougainville Counteroffensive, March 12-19, 1944 Mar 12, 2024
    Show notes

    Last time we spoke about Operation HA-GO, U-GO and some action brewing up on New Britain and Bougainville. Mutaguchi basically tricked his superiors at Tokyo into allowing him to attempt an invasion of India. Operations HA-GO and U-GO were simultaneously unleashed, the only problem was the allies were very ready to meet them. General Slim’s men captured documents indicating the true nature of the operations and he acted accordingly. The new box defense systems were employed as the allies lured the Japanese into major traps thwarting their designs against Imphal. The Japanese were fighting tenaciously, but time and supplies would not be on their side. Over on New Britain the allies advanced and managed to seize Talasea. Meanwhile on Bougainville the Japanese were preparing a large counteroffensive, attempting to breach the American defensive perimeter. The operation had just kicked off last episode and today we will continue the story. This episode is the Bougainville Counteroffensive Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. The Marines departed Bougainville and were relieved by the Americal Division by the end of January 1944. Sporadic fighting emerged and through it Major General Griswold obtained intelligence indicating the Japanese would launch a major counter attack, most likely slated for early March. At the time Lt General Hyakutake was under extreme pressure to reduce the bombing against Rabaul. Rabaul as we know was smashed daily, suffering heavy losses. Admiral Koga had responded by taking away air units from Truk, but all this achieved was even more losses. Rabaul was neutralized, and Truk became vulnerable. The Americans had pummeled both so much, they were able to unleash a dramatic thrust into the central pacific aimed at the Gilberts, Marshalls and later the Carolines. Now it seems Hyakutake had been operating under some very bad intelligence, indicating to him the Americans were defending their perimeter with just a single division around the airfield. With the objective of destroying said airfield, Hyakutake did not know the actual number of defenders and would not enjoy movement by sea. The Americans had full control of the sea lanes, thus any IJN destroyers trying to move troops would run a risky gauntlet. By the first quarter of 1944, Rabaul had tossed meager attacks against the Americans, for example on January 23rd two bombers scored a direct hit over the living quarters of Brigadier General John Hodge and his senior staff officers. What Hyakutake had to work with was 4300 men of the 45th regiment led by Colonel Isashi Magata. These men were considered the crack troops on Bougainville and they included artillery, mortar and engineering battalions. They were further supported by 4125 men of the 23rd regiment led by Major General Shun Iwara and 1350 men of the 13th regiment led by Colonel Toyo Horei Muda. All three units would be led by Major General Masatane Kanda. The 3 units made an arduous trek through the jungles to reach their jump off points by the evening of March 7th. Hyakutake then sent them a resounding message “time has come to manifest our knighthood with the pure brilliance of the sword. It is our duty to erase the mortification of our brothers at Guadalcanal. Attack! Assault! Destroy everything! Cut, slash, and mow them down. May the color of the red emblem of our arms be deepened with the blood of American rascals.” Major General Kanda also added his own message “The cry of our victory at Torokina Bay shall resound to the shores of our beloved Nippon. We are invincible.” All of these troops received a large morale boost from such message, but on top of that there was something else incentivising them all. They had adequate food to last them until April 1st, they literally needed to overrun the Americans to steal their provisions. Such was the reality of the Japanese island hopping campaigns. Hyakutakes forces proved themselves far from invincible. Their artillery bombarded on the morning of the 8th, targeting the airfield at Piva Yoke. Their bombardment destroyed a bomber, 3 fighters, killed a single man, and forced a temporary evacuation of aircraft to New Georgia. It was now exactly the greatest of results. Artilleryman Stan Coleman vividly described the Japanese artillery attack “All of a sudden we heard a very different kind of ‘whoosh.’ It was made by a shell at the end of its flight, not the beginning. It was ‘incoming mail.’ All hell broke loose. In the rear some fuel dumps went up. Every American artillery piece in the perimeter went into action.” The American artillery counter-attack proved far more effective. The Japanese artillery units were forced to move positions constantly and then they were met by a new type of weapon. As Coleman recalled “Four blue Marine Corsairs came in with rockets. Rockets were a new ground-support weapon and I had never seen them … The rockets in flight made a fearful display. There was a tremendous concussion when they struck their target.” That same night the Iwasa Unit attacked Hill 700 during a heavy downpour. Yet by 2:30am the first attacks were beaten off. It seems the experience persuaded the Japanese not to attempt another night attack on March 9th. Instead, they used occasional machine gun and mortar fire to disrupt the fitful sleep of the Americans. Then at 6:45am on the 10th, Iwasa launched another attack in coordination with Colonel Muda’s assault against Hill 260. Iwasa’s men clambered up the steep 70 degree slopes screaming maniacally. They would shout confused threats in English. A prolific slaughter occurred against one group of Japanese soldiers who seized out a pillbox and set up a machine gun post on the saddle of the hill. It was dearly bought. General Griswold had brought up more reinforcements for the 145th that same morning. Engineers put together a bangalore torpedo 72 feet long by connecting sticks of dynamite like a long pipe. The object was to climb the hill and then snake the charge down the opposite side into one of the pillboxes. Unfortunately the Japanese spotted them and fired a knee mortar, hitting the torpedo and killing the engineers. Another ruse was attempted shortly after noon with the object of getting the Japanese on the saddle to surrender. A public address system was set up with speakers aimed at Hill 700, and one of the division's Japanese interpreters spoke to the defenders. He informed them of the odds against their success and told them that they could not be reinforced. If they surrendered, it would be considered honorable. To die needlessly was foolish. For the short time he spoke all was quiet, but seconds after he had finished the Japanese directed a mortar barrage on the section of the hill from whence he was broadcasting. The day ended in victory for the riflemen of the 37th Division. At 11:15 an air strike by 26 planes and continuous artillery fire had devastated the Japanese. The day’s assault cost the lives of some 500 or more Japanese soldiers. Meanwhile further south, the 1st battalion, 13th regiment was knocked out by heavy artillery fire. Colonel Muda sent his 3rd battalion, 13th regiment to attack the southern positions of the 182nd regiment around Hill 260. Hill 260, a twin-peaked rise close to the west bank of the Torokina River approximately four miles north of its mouth, was covered with heavy vegetation. The hill itself measured only 850 yards along its north-south axis and at its widest a mere 450 yards, and it was shaped roughly like an hourglass, with the highest elevations to the north and south connected by a narrow saddle. The eastern slope of the hill was precipitous, steepest along the South Knob, where it was almost perpendicular. The South Knob, which was considered the most important part of Hill 260, had been occupied by men of 2nd battalion, 182th regiment since early January, and vigorous patrolling had also been carried on regularly along the saddle and on the unoccupied North Knob. The hill was about half a mile east of the 182nd's main line of resistance. Between Hill 260 and the main line of the Americal was a small stream named Eagle Creek, which provided a natural defensive barrier. There was but a single trail leading from the main perimeter to South Knob. A small bridge over the creek could take vehicular traffic. The last hundred yards to the top of South Knob was a steep stairway cut into the sides of the hill. Possession of this portion of the hill was important for both sides. The Americans had built a platform near the top of a 150-foot banyan tree from which forward observers could see any enemy-activity along the Torokina River or along the highlands to the northeast. Conversely, if the Japanese could seize the hill they could have good observation of the American-held Hills 608 and 309 and the area behind them. Under the cover of intense machine-gun and mortar fire, the Japanese managed to climb the steep slope of the South Knob and then burst in among the outnumbered Americans. The position was held by a reinforced platoon of Company G of the 182nd and a forward observer team of the 246th Field Artillery Battalion. The Americans were rapidly wiped out and dispersed as Muda’s men established a defensive perimeter over the crest of South Knob. Hearing the dire news, General Griswold ordered General Hodge to hold Hill 260 at all costs, an order that surprised many of the Americal's staff since they had not expected to try to hold the hill in the face of a concerted Japanese attack. Companies E and F immediately advanced to occupy the North Knob and then attempted an encircling maneuver to counterattack the newly-established Japanese perimeter. Company E at 8:45 attacked South Knob from the southwest while Company F moved south. The company began its attack at 10:45 but halted after the troops had advanced a few yards into the cleared zone. The men took whatever cover was available and waited for flame throwers before trying to advance farther. At approximately 2:45 the commander, Lieutenant Colonel Dexter Lowry, ordered the attack resumed; Company E split and attempted an envelopment. The northern prong of the envelopment was halted but the infantrymen of the southern prong, using grenades and flame throwers, managed to gain a lodgment within earshot of the men of Company G who were still holding out in the pillbox. Meanwhile, the 1st and 2nd Battalions, 145th Regiment had been reorganized and launched a counterattack against Hill 700 at 5:00. The Japanese unleashed intense mortar and artillery ied, but gradually were dislodge from the crest of the hill, leaving just 4 pillboxes remaining under their control. After the reestablishment of the original resistance line, Iwasa prepared his men to storm Pat’s Nose during the night. The Japanese had lost heavily during these attacks, which also cost the 145th three dead and 121 wounded. During the night, after a failed bayonet charge, the Japanese would reinforce their position on Hill 260. They then struck at Company E early in the morning of March 11th and although this attack was beaten off, the American situation in the lodgment had become desperate. Thus, after another Japanese flanking attack, the defenders would have to pull back towards North Knob. Company G was sent to relieve the beleaguered Company E but was halted by yet another Japanese flanking attack on Company E. General Hodge, fearful of reducing his main defense line, felt that he could send no more reserves to the hill and therefore decided to break off the action and pull Company G and what was left of Company E off South Knob. They retired, unimpeded by the Japanese, behind Eagle Creek. There they joined Company B and then proceeded to cut a new trail up to the crest of North Knob. At daybreak on 11 March, Iwasa launched another attack against the promontory called ‘Pat’s Nose,’ some 150 yards to the west of ‘Hill 700.’ Flanking 37 mm guns cut the Japanese charge to shreds. Iwasa’s rear echelons kept advancing over the dead bodies of those who had been leading the charge and eventually managed to break through the barbed wire, though they too were ultimately destroyed. After an hour of suicidal attack Iwasa’s troops receded leaving some 84 dead behind them. The 37th Division's historian described this attack: "Brandishing their prized sabers, screeching 'Chusuto' (Damn them!), the Jap officers climbed up the slope and rushed forward in an admirable display of blind courage. The men screamed in reply 'Yaruzo' (Let's do it!) and then 'Yarimosu' (We will do it!). As they closed with the American doughboys, the leaders cried' San nen Kire!' (Cut a thousand men!). General Beightler, concerned over the inability of the 145th to reduce the Japanese positions on Hill 700, decided to send the 2nd Battalion, 148th Regiment to finally wipe out the enemy opposition. After a heavy mortar and artillery bombardment, two platoons of Company E advanced east from Pat's Nose trying to flank the saddle while a third attacked west from Hill 700. Thirteen men were killed before the momentum of the attack waned and the battalion dug in on the ground it had gained. Meanwhile, Companies F and B, now under the command of Brigadier-General William McCulloch, began a two-pronged attempt to drive the Japanese off South Knob. Supported by flamethrowers units from the 132nd, men of Company B got across the saddle and onto the knob, but were ultimately pulled because of the enemy’s numerical superiority. Meanwhile, Colonel Magata Isashi’s 45th Regiment had limited its actions to heavy patrol activity while the Iwasa Unit was attacking Hill 700. The terrain fronting the 129th Regiment, which was holding the center of the 37th Division line, was much more favorable for the Japanese than that encountered by either the Iwasa or Muda forces. The land was relatively flat, although cut by many gullies. The 129th's line, defended by two battalions, extended over two miles, curving slightly from just east of the Numa Numa Trail southwest to the right flank of the 148th Regiment. The Japanese had easy access to the 37th's lines, first via the Numa Numa Trail and then following the lowlands and gullies adjacent to the creeks. Colonel John Frederick, the regimental commander of the 129th, had recognized the potential vulnerability of this position and had organized a defense in depth during the two months prior to the attack. The position was anchored by a large number of mutually supporting earthen and log pillboxes and protected by a double apron of barbed wire, in front of which antipersonnel mines had been laid. Machine-guns had been sited to provide interlocking fire and additional barbed wire had been placed to channel potential attackers into the main machine-gun fire lanes. The 129th's cannon company of 75-mm pack howitzers, and its mortar sections had been augmented by 37-mm and 40-mm anti-tank guns, which could fire canisters in flat-trajectory direct fire. Thus although Colonel Magata's men did not have to climb up steep cliffs to get at the American positions, they would find the 129th's defenses near impregnable to relativ…

    Full show notes at the publisher

    - 120 - Pacific War - The battle of Imphal, March 5-12, 1944 Mar 12, 2024
    Show notes

    Last time we spoke about the invasion of the Admiralty Islands and some action on New Britain and Bougainville. The last steps of operation Cartwheel would see the Bismarck-Solomon area sealed off with the capture of the admiralty islands. MacArthur was yet again trying to seize the initiative and force a drive upon the Philippines. A diversionary landing was made against Momote and Los Negros would cost 116 lives, 434 wounded by March 8th. On New Britain, General Rupertus began new amphibious assaults and other actions to cut off the retreat for the Japanese defenders. Then on Bougainville, under immense pressure from his superiors, General Hyakutake prepared to launch his main counterattack, codenamed Operation TA. He assembled 15,000 men who would hit the American defensive perimeter to dislodge the enemy from the island. Was this idea even feasible, or would it all end in a terrific disaster? This episode is the battle of Imphal Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. The war was not going well for the Japanese in 1944. They were on the cusp of being dislodged from the south pacific. Rabaul and Truk were effectively neutralized and the Americans were making enormous strides in the central pacific, seen in the Gilberts and Marshall campaigns. Even in Burma, a war front the Japanese had basically been winning every battle flawlessly, was now suffering defeats. The first defeats were found in the Hukawng Valley and Arakan region. In the face of these terrible defeats, the Japanese General Mutaguchi argued he had the answer. Mutaguchi, a victor over the Singapore campaign, had wargamed the possibility of invading India and won support of some of his superiors in Tokyo. His reasoning had been to brush past the British in Assam, to storm the gateway into the subcontinent, where hopefully the Indians would rise up to greet the Japanese as liberators. With Subhas Chandra Bose and his Indian National Army, the Japanese could rally the Indians to turn against the British. The collapse of India would be a killing blow against Britain's influence in Asia. Initially it was also believed, such a move would allow the Japanese to link up with the Axis forces in Persia. Such fantastical ideas were farfetched even for 1942 standards, but in 1944 these were laughable. Stalingrad and Kursk had effectively turned the Eastern Front completely around, the Germans were fighting for their survival. Yet this all did not dissuade Mutaguchi. Lt General Hanaya Tadashi was placed in charge of the Arakan region. Hanaya was tasked with deceiving the British into believing the counter attack in Arakan was an attempt to invade India, thus dragging units out of Imphal. The Operation was codenamed HA-GO, an intended feint, to mask another operation, U-GO to invade Imphal. To pull it off the assault in Arakan was made to be massive. Slim was forced to meet the enemy fiercely in Arakan, he had no choice but to pull his reserves out of Imphal. The Japanese were delivered a nasty surprise with the Admin Box tactic. For over 18 days the battle raged around the Admin Box, but the Japanese could not make a dent. The Japanese forces had expected once the British saw their lines of communications cut and were outflanked they would panic and flee. It was after all what had been occurring for years in Burma. The Japanese hoped to annihilate the 15th corp, but instead the British dug their heels in. Once again victory disease sprang its head force, the arrogant and overly confident Japanese, bit off more than they could chew. It was as if they were facing a brand new opponent. The Admin Box was hit by infantry and aerial attacks, the casualties were terrific, but the Admin Box never wavered. The Japanese had planned for a lighting battle, traveling light and seizing supplies on the go, but the British did not roll over. The Japanese began to run out of supplies, starvation loomed over the invaders. Casualties on both sides increased sharply, and Slim predicted the Japanese would not allow for defeat and instead would redouble their efforts. By February 13th, Slim was confident victory was in their hands as the 26th Indian division began to arrive to deliver a hammer blow with the Admin Box as the anvil. The Japanese fought desperately, but by the 24th they were withdrawing leaving 5000 dead. After defeating the Japanese Slim unleashed his own operation into the Arakan and while doing so his men captured some Japanese documents showcasing operation HA-GO in full. Slim now knew the Japanese were feinting him to draw resources away from Imphal Now Mutaguchi had sold Operation U-GO to his superiors in Tokyo as a pre-emptive strike to disable 14th Army, but in reality it was always to invade India. He also wanted to press the attack farther and take Dimapur, a major supply base through which ran the railway line to Ledo. Taking Dimapur would deal a major blow to the Allies and could potentially open the door to further operations deeper into India. Once they had broken through, the INA would rally local support, enabling them to extend the fight to the British in Assam, Bengal and beyond. For his Operation U-Go, Mutaguchi thought he could outsmart the British in terms of how he would approach Imphal. His plan called for the 33rd Division of Lt General Yanagida Motoso to begin an advance on March 8th attacking from the south. It was presumed the British would expect this and rush reinforcement when attacked. Meanwhile he planned to send the 15th division under Lt General Yamauchi Masafumi a week later to ford the Chindwin River and advance on Imphal from the north. Even further north the entire 31st division of Lt General Sato Kotoku would also ford the Chindwin between Homalin and Tamanthi, advancing northwest to block the main British supply route in the hills at Kohima. To pull all of this off, Mutaguchi needed to ensure his forces captured Imphal before the monsoon rains made the jungle tracks impassable. He did not have much in terms of supplies to give to his 3 divisions. By 1943, the supply route into Rangoon by sea through the Bay of Bengal had become too dangerous because of attacks by Allied submarines, so the supplies had to rely on the railway being constructed by forced labor and POWs from Thailand. Mutaguchi was well aware of these issues. He knew, however, from personal experience in Malaya and Singapore, that taking logistical risks against the British could bring great rewards. This was because the British, who were usually immeasurably better supplied than the Japanese, frequently left behind large quantities of what the latter referred to as Chachiru kyuyo 'Churchill Rations' in their haste to flee the advancing Japanese. Accordingly, the capture of British supply dumps around Imphal formed a key assumption in his planning. The essence of Mutaguchi's plan was speed - totsusbin ‘swift onslaught' - for if these vast depots were not seized as a matter of priority, the whole offensive would literally run out of fuel. He thought it would take no more than three weeks for his forces to fall on the British supply dumps. Without the capture of these supplies success could not be guaranteed, but it seemed increasingly inconceivable to Mutaguchi that a decisive, overwhelming attack against Imphal would not bring with it rapid and substantial rewards. At no time was he concerned that he might not capture the vast British depots needed to fuel his advance. Imphal needed to be taken by April 10th or it would all be a disaster General Slim planned for his 14th Army to make a stand at Imphal, taking the hit on the chin as they say, before pushing the enemy back. He needed to draw the Japanese in the Imphal Valley, in a tight circle so he could launch an effective counteroffensive. Lt General Geoffrey Scoones 4th corps would deploy the 20th Indian division led by Major General Douglas Gracey around Tamu and the 17th Indian Light Division of Major General David Punch Cowan around Tiddim. Both divisions had been aggressively carrying out patrols in the valley and along the banks of the Chindwin River. The 23rd Indian Division of Major General Ouvry Roberts was held in reserve at Imphal, with his 49th brigade in the Ukhrul area to the northeast. Once Mutaguchi’s offensive kicked off, Slim planned for his two southern divisions to withdraw up the Tamu-Palel and Tiddim roads to go on the defensive around the Imphal Valley. The two divisions would have a short and more secure line of communications and supply behind them as they forced the Japanese to extend them self over the mountains. To counter losing the overland supply line from Kohima, Slim planned to use air supply to maintain his men during the long siege. Slim also expected Mutaguchi to send a single regiment to seize the defenseless Kohima, not an entire division that was further tasked with pouring down into the Brahmaputra valley. That last part would put his entire plan in jeopardy. On March 8th, Operation U-Go was kicked off with Lt General Yanagida Motoso’s 33rd division beginning their advance in 4 columns. The left column was the 215th regiment led by Colonel Sasahara Masahiko who advanced south of Tiddim before swinging north towards the village of Singgel. They would come across the large supply deport between the milestones 109 and 110 around the Tiddim road. The central column consisted of the 214th regiment led by Colonel Sakuma Takayoshi, advancing up the Kabaw Valley to assault Tonzang. Following this column up was the Fort White Garrison unit led by Colonel Yagi Shigeru. Both columns would cut off the route of withdrawal of Major General David Cowan’s 17th division and annihilate it. Lastly the right column consisting of the Yamamoto Force led by Major General Yamamoto Tsunoru. They would be advancing north up the Kabaw valley to assault Major General Douglas Gracey’s 20th Division on the Tamu-Palel Road. There had been early reports from scouts that groups of Japanese soldiers were advancing west of the Tiddim road. This only sounded off the alarm bells for the 14th corps on March 12th, after a verified sighting report was made stating a large group of Japanese were just a few kilometers off the road at Milestone 109. Consequently, Scoones ordered Cowan to withdraw, so the 17th would begin to move from Tiddim on March 14, after laying mines and booby traps. But it was too late, as the Japanese had already cut the Tiddim Road earlier that morning, so Cowan would have to fight its way out to Imphal. That day, Yamamoto Force had also started attacking Gracey’s southern front-line positions, with a particular tank-on-tank battle developing between a troop of M3 Lee/Grant tanks of the 3rd Carabiniers and some six light tanks of the 14th Tank Regiment. The latter were trounced in the end, with four tanks destroyed and two captured. Meanwhile on the 15th, Lt General Yamauchi Masafumi’s 15th division began fording the Chindwin river at Thaungdut and Sittaung and would descend upon Imphal from the north. Lt General Sato Kotoku’s 31st division also forded the river further north at Homalin, Kawya nad Tamanthi and were rapidly advancing towards Kohima and Ukhrul. Just as Mutaguchi had guessed, Scoones ordered his 37th and 49th brigades to advance to the Tiddim road to help Cowan’s men. Cowan had sent his 63rd indian brigade to attack the 214th regiment at Tonang and Tiutum. Thai left Imphal and Ukhrul with little protection, so Scoones decided to dispatch the newly arrived 50th indian parachute brigade of Brigadier Maxwell Hope-Thomson to defend Ukhrul, but he did not expect them to find a real fight. Ukhrul would only have the lightest of garrisons and no real defenses. Forces in the area comprised two battalions of the newly raised and part-trained 50th Indian Parachute Brigade whose young and professional commander, 31-year-old Brigadier Maxwell 'Tim' Hope-Thomson had persuaded the powers that be in New Delhi to allow him to complete the training of his brigade in territory close to the enemy. At the start of March the brigade HQ and one battalion had arrived in Imphal, and began the leisurely process of shaking itself out in the safety of the hills north-east of the town. To the brigade was added the 4/5th Mahrattas under Lieutenant-Colonel Trim. Sent into the jungle almost to fend for themselves, it was not expected that they would have to fight, let alone be on the receiving end of an entire Japanese divisional attack. They had little equipment, no barbed wire and little or no experience or knowledge of the territory. On March 16th, Scoones ordered Gracey to withdraw, so the 20th Division could begin a controlled withdrawal up the Tamu-Palel Road, gradually moving into three defensive boxes. The first was to be at Moreh, held by the 32nd Indian Brigade; the second in the Khongkhang–Sibong area, held by the 80th Indian Brigade; and the third was to be on the Shenam Saddle, held by the 100th Indian Brigade. Luckily for the allies, Yamamoto had dispatch two of his battalions in a useless wide flanking maneuver towards Mombi and the Tamu-Palel road. Thus Yamamoto would lack sufficient troops to launch a full attack against the retreating allied forces. Meanwhile Hawker Hurricanes and heavy artillery bombarded as the 63rd launched a direct assault against Tuitum saddle, managing to break through to the Manipur River, leaving a rearguard at the bridge. During the following days, the rearguard would repel a series of intense assaults upon the saddle by the 214th regiment and Yanagida’s Fort White column. At the same time the 37th brigade was fighting against the bulk of the 215th regiment around milestone 100. The fighting became very confused as the Japanese units became sandwiched between the allied units who in turn were surrounded by other Japanese units. On March 18th, the 3rd battalion ,215th regiment managed to capture the supply depot between Milestones 109 and 110 facing minor resistance. Then they were forced to repel a number of counter attacks by the 48th Indian brigade. On the 19th, Hope-Thomson received some panicked reports that his battalions were seeing heavy columns of Japanese advancing on their undefended camp at Sheldon’s Corner. It was the 31st infantry of Major General Miyazaki Shigesaburo from the 58th regiment. Hope-Thomson made a last minute call to assemble his dispersed forces at the deserted Naga Village of Sangshak. His brigade, when concentrated, consisted of 1850 men. However, as the troops dug in they discovered to their discomfort that they were atop an ancient volcano, and the rock was impervious to their picks. All they could dig were shallow trenches, which provided ineffective protection from Japanese artillery. Like all Naga villages that at Sangshak was perched on a hill, and had no water; anything the men required had to be brought up from the valley floor, through the rapidly tightening Japanese encirclement. Its unknown why Miyazaki diverted his men to hit Sangshak rather than continue towards Kohima. By nightfall of the 22nd, the Japanese infantry overwhelmed Indian defenses without performed a detailed reconnaissance and lacking artillery support. This would prove to be a fata…

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    - 119 - Pacific War - The invasion of the Admiralty Islands, February 27 - March 5, 1944 Feb 27, 2024
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    Last time we spoke about the invasion of Eniwetok and the end of Operation HA-GO in the Burma front. While Operation Hailstone was going on, the invasion of Eniwetok was greatly sped up as the Americans were simply too fast at conquering the Marshall islands. Codenamed operation Catchpole, Eniwetok was hit with the same kind of overwhelming force applied to Kwajalein and other islands. Aerial, naval and land base artillery smashed the defenders into submission before forces were landed. The Japanese launched so daring night time infiltration attacks, but were hopeless to stop the American seizure of the island. Within the Burma front the Japanese invaders were shocked at the performance of the newly improved Indian Army. Operation HA-GO was an utter disaster and worse it had weakened the Japanese to the point now the allies were going on the attack. This episode is the invasion of the Admiralty Islands Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. The war for the South Pacific is reaching its climax. The allies are securing western New Britain, the Solomons and the Huon Peninsula. The Japanese are simply overwhelmed. The Japanese air forces have been utterly annihilated, their warships are being drained of fuel, are worn down by the war and are seemingly no longer ready for that decisive naval battle envisioned by Isoroku Yamamoto. The men are battle-weary, food is becoming more scarce, malnourishment is spreading. All those strung out at the furthest islands are basically being left to die. To end the misery for those in the South Pacific, the capture of the Admiralty Islands was one of the last steps in Operation Cartwheel and would seal off the Bismarck-Solomons area from supply and reinforcement, denying their use to the Japanese for effective air and naval operations, and left garrisons totaling over 100000 troops in isolated impotence In the South Pacific, the Admiralty Islands, that of Manus and Los Negros stood at the northeastern exist of the Bismarck Sea. They commanded the important strategic point some 600 miles from Rabaul, 820 miles from Truk and 1370 miles from Mindanao Island. The joint chiefs believed Seeadler Harbor had the potential to become a major naval anchorage for the Pacific Fleet and perhaps the springboard for the invasion of the Philippines. Back on April 7th, 1942 a Japanese destroyer and a merchant ship had landed invading forces at Lorengau, driving off the hundred or so Europeans who had been living there. At that time the only airstrip was at Lorengau, the administrative center for the group of islands. Apparently the Admiralties were not considered significant in the offensive phase of the Japanese conquest of the South Pacific area, for it was not until February 1943, that construction forces started to build a 5000-foot airstrip at Momote Plantation on Los Negros and to put the 3000-foot Lorengau airfield into operational use. After October 1943, the Momote field and the smaller Lorengau strip served as ferrying stops on the replacement routes to Wewak, Hollandia, and Rabaul, until Allied air attacks destroyed the effectiveness of the Admiralties' base. Seeadler Harbor was also being used for surface craft and possibly for seaplanes. In late 1943, General MacArthur had assigned General Krueger’s Alamo Force at that time based in Finschhafen to plan the seizure of the Seeadler Harbor area, with the aim of establishing an airdrome and light naval facilities for the support of subsequent operations along the north coast of New Guinea. On February 13th however, MacArthur ordered Krueger to seize all of the Admiralty islands and to build air bases at Lorengau and Momote. This was to be Operation Brewer, beginning on April 1st. However one of Lt General Kenney’s spotter planes noticed there was no sign of life on the Admiralty Islands and this prompted MacArthur to move up the time table, to the end of February. It would be quite a mistake. MacArthur’s chief of intelligence, Colonel Willoughby, was convinced Kenney’s intelligence was incorrect and information from ULTRA intercepts seemed to support his claims. It seemed Kenney had been fooled. The Japanese appeared to be absent on the islands, because Colonel Yoshio Ezaki had ordered his men not to move during the day, so as to conceal their work constructing two new airstrips and to conserve anti-aircraft ammunition. In spite of Kenney’s arguments that the Japanese looked vulnerable, MacArthur’s staff officers were not at all happy at the idea of taking such a high level risk assaulting them. Even Kenney would note “we had already outrun the capabilities of our supply system.” Ignoring the limitations, MacArthur was determined to take the islands, but would later reminisce “I felt that the situation presented an ideal opportunity for a coup de main which, if successful, could advance the Allied timetable in the Pacific by several months and save thousands of Allied lives.” This of course is MacArthur we are talking about and the capture of the Admiralty Islands would advance his timetable to retake the Philippines, so for him it was a no brainer. There was also the on going race. MacArthur was obviously taking notice of Admiral Nimitz’s thrust into the Central Pacific, and what a thrust it was. The Gilberts and Marshalls were falling in extremely surprising speed. MacArthur, fully aware of the risks of forwarding Operation Brewer, nevertheless did so and would cover his tracks by describing the invasion as “a reconnaissance in force” The misgivings of this decision would be apparent when a covert reconnaissance mission led by Lt J.R McGowan and 5 other men of the 158th infantry reported on February 27th that the island were “lousy with Japs”, but by that point it was too late to pull back. For the operation, Krueger would assign Major-General Innis Swift’s 1st Cavalry Division, which was training intensively in the Oro Bay area. Although the 1st Cavalry Division was dismounted for operations in the Pacific, it retained its organization as a cavalry unit with two brigades, each made up of two reinforced regiments. In addition to supporting units, each regiment comprised two squadrons of three rille troops and a heavy weapons troop. Air offensives against Rabaul and Wewak continued throughout February, seeing an enormous reduction in the Japanese ability for air action. On the 22nd and 23rd, Captain Burke’s Destroyer Squadron 23, consisting of Destroyers Charles Ausburne, Stanly, Converse, Spence and Dyson made a daring sweep in the Admiralty island area. They managed to sink the 3800 ton Japanese tug Nagaura due east of Lorengau. 3 of his destroyers then sailed south of New Hanover where they sank a IJN minelayer and a cargo ship before turning around the coast of New Ireland. They encountered no shipping there, so they fired 1500 five-inch shells into Duke of York Island in order to damage the airfield under construction. Meanwhile the other 2 destroyers sailed north of New Hanover and bombarded the enemy base at Kavieng. At this point MacArthur realized the Japanese could not mount any significant air or naval support to defend the admiralties. He also believed Los Negros islands was lightly held and that they was a “coup de main” opportunity. As someone who speaks french as a second language, I gotta say its so weird how we anglophones use these random french phrases for things haha. Thus MacArthur decided to change his plans somewhat. In place of the scheduled assault set for April 1st, he now was tossing the “reconnaissance in force” I mentioned early against the Momote airstrip on Hyane Harbor and that it should be carried out no later than February 29th. The force performing this was to be known as the Brewer Reconnaissance Force; it consisted of 3 rifle troops and the heavy weapons troop of the 2nd Squadron, 5th Cavalry Regiment: 800 men with their complement of light and heavy machine guns, rocket launchers, and mortars. With them was a platoon from Battery B, 99th Field Artillery Battalion, carrying two 75-mm pack howitzers, four 50-caliber machine guns, and small arms. The 673rd Antiaircraft Machine Gun Battery, a unit of some 80 men, was equipped with twelve 50-caliber machine guns as well as individual weapons. Air and naval liaison officers and a shore fire control party were scheduled to land with the attacking force; Headquarters Troop, 1st Cavalry Brigade, would furnish a reconnaissance and a communications platoon. Arrangements had also been made for a detachment from the Australian New Guinea Administration Unit, usually called ANGAU; this group was to assist chiefly in gathering intelligence, patrolling, recruiting, and dealing with the native population as their villages were liberated. If these men found Momote to be adequately defended, then they would establish a perimeter and await reinforcements, thus the reconnaissance turns into an invasion.With just 5 days to plan, General Kenney’s 5th air force was given the task of bombing the objective area and northern Ireland. Meanwhile Admiral Barbey’s destroyers were going to perform a heavy bombardment to cover the approach and landings. A patrol from the Alamo Scouts landed on the southeastern coast of Los Negros from a Catalina flying boat on the night of February 27th. They performed a reconnaissance, quickly discovering Colonel Ezaki Yoshio’s forces were present. Yoshio’s HQ was at Papitalai, the bulk of troops at Lorengau with garrison units were on Rambutyo, Peli, Pak, and Pityilu Islands and at the inland village of Kawaliap. One battalion was also at Papitalai covering HQ. The 2nd Battalion, 1st Independent Mixed Regiment at Salami and 1st Battalion, 229th Regiment at Hyane Harbor with its main elements south of Momote. It was obvious the enemy was still present in force. The Scouts discovered a large bivouac area on the southeast part of Los Negros and reported that the region between the Momote air strip and the south coast was as I mentioned earlier "lousy with Japs." This further allowed Admiral Barbey to make more specific bombardment plans. Three fire support areas had been established for the attack group, consisting of nine destroyers and the three destroyer-transports which were carrying the reconnaissance force. These areas covered the entire seaward side of Los Negros from the south coast to the northern end of Salami Plantation. In the final plans the attack group would bring the weight of its firepower against targets around Hyane Harbor and to the north. Additional fire to cover the southern part of the island would be furnished by another task group of two cruisers and four destroyers, which would meet the convoy at Cape Cretin. It was decided to split this latter group, giving one cruiser and two destroyers responsibility for the Japanese bivouac area, southwest of the Momote strip, which the Alamo Scouts had located. The other cruiser and two destroyers would fire on targets in the Lorengau-Seeadler Harbor region. In the 15-minute bombardment, scheduled from H-35 to H-20, 5-inch naval guns were each to expend approximately 350 rounds. Under the air force plan, two groups of heavy bombers would attack ground targets on Los Negros from H-28 to H-20. Two minutes later, four groups of medium bombers were to bomb and strafe the landing area until the first wave was ashore. Following H Hour a squadron of medium bombers and six smoke planes were to be on air alert for further missions. The Japanese did not anticipate a landing would be made at Momote, thus only a few elements of the 1st battalion, 229th regiment were there while the bulk of their forces were concentrated at the beaches of Seeadler Harbor and on the other side of the island. Now despite the Alamo scouts best efforts, there was quite a lot of unknown variables. In light of that the landings would be done simplistically. 3 waves of 12 LCPRS would carry the troops to White Beach, lying near Jamandilai Point. From there the reconnaissance force led by Brigadier-General William Chase would advance and hold Momote airstrip. If this proved too difficult, the men would be loaded back up and return to Oro Bay. Now in the event of a successful landing, the remainder of the 5th cavalry regiment would come over 2 days later and the rest of the cavalry division, the main body of the Brewer force, would follow the reconnaissance and support forces as soon as shipping could be made available. On February 27, the 2nd Squadron, 5th Cavalry led by Lt. Colonel William E. Lobit loaded up at Oro Bay, and the following morning departed aboard 3 APDs and nine destroyers under the command of Rear-Admiral William Fechteler. They would rendezvous with Admiral Kinkaid’s light cruisers at 13:26, around Cape Cretin, with General MacArthur onboard, and finally would arrive at a point about 10 miles south of Los Negros at 6:00 on February 29. While the troops climbed aboard their LCPRs, Fechteler’s destroyers opened fire on their assigned targets. Unfortunately, when the LCPRs reached the line of departure, about 3700 yards from the beaches, the defenders responded with heavy machine-gun and battery fire.At H-28 minutes enemy machine-gun fire opened on the boats, whom began maneuvering radically as they could. Machine-gun fire was also directed against the destroyers and the Phoenix group to the south. Heavier shore batteries opened up; flashes could be seen from d gun near Southeast Point on the island, and what appeared to be 3- or 4-inch shells landed in the vicinity of the Flusser and the Mahan. In response the Phoenix and Mahan fired upon the batteries and 9 B-25’s strafed and bombed the area. Their participation was limited by a heavy overcast and a low ceiling. Of the 40 B-24s scheduled to arrive during the naval bombardment, only 3 appeared before their appointed time to bomb the target area at H-47 minutes. The planned missions of four groups of B-25s fared little better, only nine appearing and these later than scheduled. No communications had been established with the B-25s nor could any of the planes be seen from the flagship, so the plan was called off for stopping naval gunfire at H-20 minutes to permit low-level bombing and strafing. The naval bombardment was continued for another 15 minutes. The order to cease fire was given at H-5 minutes and, although no aircraft were visible, starshells were fired as the attack signal for any strafers that might be in the vicinity. The first wave of LCPRs reached the shore at 8:17, meeting slight enemy fire. Troop G led by 1st-Lieutenant Marvin Henshaw rushed beyond the narrow beach to the edge of a coconut plantation, taking cover under fallen trees and kunai grass. Here they laid prone, forming a rough half-circle with a 50-yard radius. They saw scattered groups of the enemy fleeing inland, some as far away as the other side of the air strip. Lieutenant Henshaw killed one with a long distance shot, and members of his platoon killed another. Not one of the soldiers who landed in the first wave was a casualty. As the bombardment lifted, the defenders gradually came out of their dugouts and began subjecting the returning boats to cross-fire. As the second wave approached, the enemy fire became so heavy, t…

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    - 118 - Pacific War - The battle of Eniwetok, February 20-27, 1944 Feb 20, 2024
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    Last time we spoke about Operation Hailstone, the continued drive upon Madang and the horrible massacre during the Indian Ocean Raid of 1944. Operation Hailstone saw what was once called the Gibraltar of the Pacific, Truk nearly annihilated. The demoralized and understrength Japanese could not hope to contest the air strikes and naval bombardment. Vice-Admiral Kobayashi Masami was held responsible for the defeat and was relieved of his command. Over on New Guinea the Australians were continuing their drive to Madang, killing and taking prisoner all the Japanese they could along the way. Then over in the Indian Ocean, Vice-Admiral Takasu Shiro unleashed a raid against allied shipping, a rarity for the Japanese. Unfortunately the raid devolved into a singular attack against the British steamer Behar. A needless and cruel massacre was performed aboard the Tone, killing 65 to a possible 100 people. Such actions would only see justice after the war. This episode is the battle of Eniwetok Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. Operation Flintlock was a huge success, Kwajalien was seized incredibly fast and the invasion of Majuro saw no Japanese even on the atoll. Because of this the allied war planners had to shuffle the schedule and thus was born Operation Hailstone and the invasion of Eniwetok. Eniwetok had been originally slabbed for May, but it seemed obvious the Japanese power in the Marshalls was crumbling a lot faster than anticipated. Consequently, Admiral Nimitz knew it would be necessary to capture the atoll to give shelter to all the ships he intended to deploy westward in the drive against the Japanese inner empire. Since it now seemed Brigadier-General Thomas Watson’s 8000 reserve troops of the 22nd Marines and the 106th Regiment would no longer be required, Admirals Spruance and Hill began preparing them for the invasion of Eniwetok. The operation was codenamed Catchpole and the war planners would only have 12 days to prepare. Moving up the invasion of Eniwetok required stripping the new garrisons of Kwajalein Island and Roi-Namur of manpower and supplies. The landing boat crews were greens, not trained with the troops. General Watson reported “the infantry, amphibian tractors, amphibian tanks, tanks, aircraft, supporting naval ships, and most of the staffs concerned had never worked together before.” Nevertheless, the forces available for the operation would be plentiful and well equipped. Having gone through the horribly bloody assault on Tarawa, Admiral Hill was relieved to have a large number of amtracs. The Army’s 708th Provisional Amphibian Tractor Battalion would sail with 119 LVTs, most of which were the heavily armored newer models. As Hill would remark later “At Eniwetok, I felt like a millionaire, but at Tarawa, I was a pauper.” Admiral Hill would have at his disposal 5 attack transports, 1 transport, 2 attack cargo ships, 1 cargo ship, 1 LSD, 2 APDs, 6 LCIs and 9 LSTs to carry General Watson’s Tactical Group 1, consisting of the 22nd marines and 106th regiment led by Colonel John Walker. Further support came in the form of 3 battleships, 3 heavy cruisers and 7 destroyers of Rear-Admiral Jesse Oldendorf’s task force 51.17; 3 escort carriers and 3 destroyers of Rear-Admiral Van Ragsdale task group 53.6; and Rear-Admiral Samuel Ginder’s carrier task force 58.4. The plan was to first land two scout companies; the Reconnaissance Company, V Amphibious Corps, against Camellia and Canna Islands southeast of Engebi; and the scout company D, 4th Marine Tank Battalion against Zinnia Island northwest of Engebi to prevent any escape of the enemy from Engebi in that direction. The scout would secure Camellia and Canna allowing the 2nd Separate Pack Howitzer Battalion with their 75-mm pack howitzers to deploy on Camellia, and the 104th Field Artillery Battalion with their 105-mm. howitzers to deploy on Canna. The artillery would then be used to support the next day's attack against Engebi. The job of hitting Engebi was given to the 1st and 2nd Battalions, 22nd Marines of Colonel John Walker. His 3rd Battalion would be kept in regimental reserve. The two battalions were to be supported by medium tanks of the 2nd Separate Tank Company, and a platoon from the Cannon Company, 106th Infantry, with two 105-mm, self-propelled guns. Lastly Colonel Russell Ayers’ 106th Regiment would hit Eniwetok Island; and once it was captured, the infantry would take Parry Island along with the 22nd Marines. Defending against them would by General Nishida’s 1st amphibious brigade; organized from the 3rd Independent Garrison Unit. It had 3 1,036-man mobile battalions, a 76-man machine-cannon unit with 6 20mm guns, 66-man tank unit with 9 Type 95 light tanks, a 243-man engineer unit, a 139-man signal unit, and 190-man medical unit. The mobile battalions had a 103-man 1st Company while the other 2 had 197 men, plus a 155-man mortar company, a 121-man artillery company with 3 75mm mountain guns, 2 37mm anti-tank guns, and a 66-man engineer platoon. These units had recently been brought over alongside his HQ. 250 IJN personnel and 1115 troops were deployed on Parry, about 692 soldiers, 500 IJN personnel and 61 men of the 61st Guard Unit would Engebi; and only 779 troops under Lieutenant-Colonel Hashida Masahiro, commander of the 1st Mobile Battalion would defend Eniwetok. In the 6 weeks following the Kwajalein assault, the Japanese had been constructing defenses on the lagoon side based on reports they received from the Kwajalein attack, yet there was not enough time to make much progress. The 3 defended islands of Eniwetok Atoll had no naval-manned defenses, other than two 120mm coast defense guns and two 13.2mm twin machine-guns on Engebi's north corner. 3 75mm and 28 20mm anti-aircraft guns had been delivered, but were not even emplaced. The 1st Amphibious Brigade arrived less than a month and a half before the American would land with barely any time to dig in. While significant construction materials had been delivered, there was not nearly enough time to make much progress. Defenses would be mainly dugouts, trenches, and foxholes. The brigade deployed its infantry weapons more or less equally. Engebi was expected to be the most heavily defended, but instead the most troops were actually on Parry. On February 15th, Hill’s scout group sailed out from Kwajalein lagoon while Operation Hailstorm smashed Truk. Meanwhile Ginder’s carriers proceeded directly to Eniwetok and on February 16th launched a series of preliminary strikes. The strike completely destroyed all the buildings upon the atoll, neutralized her airfield and destroyed 14 aircraft on the ground. Naval bombardment of Engebi, Eniwetok, Parry and Japtan Islands began in the early morning hours of February 17, and was joined by more air strikes after dawn. Simultaneously, Hill’s force arrived off Eniwetok’s southeast coast. As the surface ship bombarded the islands, amtracs launched and landed by 1:30pm against Camellia and Canna. After securing Canna and Camellia by 2pm, the Reconnaissance Company landed, against no opposition, on the 3 islands northwest of Camellia and on 2 small unnamed islands west of Canna. These landings were made to offer security to the artillery units against possible Japanese infiltration during the night. Hill then landed his 2 artillery battalion to support the invasion of Engebi. Engebi’s total weapon strength came to 2 flame throwers, 13 grenade dispatchers, 12 light machine guns, 4 heavy machine guns, 2 37-mm. guns, 1 50-mm. mortar, 11 81-mm. mortars, 1 20-mm. automatic gun, 2 20-mm. cannons, 2 mountain guns, 3 light tanks, and 2 12-cm. coast defense guns. Colonel Yano predicted that a heavy bombardment would precede the amphibious landings, he accordingly planned to concentrate his defensive system on the lagoon shore of this triangularly shaped island. The Japanese defenders were ordered to "...lure the enemy to the water's edge and then annihilate him with withering fire and continuous attacks." Most of the prepared defenses and over half of the brigade detachment were concentrated at the center of the lagoon shore. The approach to this strong point was flanked by the fire of 2 75-mm. mountain guns on the northwest corner and 2 20-mm. machine cannon in the southern part of the concentration itself, as well as 2 37-mm. guns emplaced on the southern tip. Frontal fire could be delivered by the 20-mm. automatic guns and the three tanks, each mounting 37-mm. guns. Hill deployed UDT-1 frogmen to first clear obstacles and mines while D Company , 4th Tank Battalion secured Zinnia and 4 other islets west of Engebi in the early morning of February 18. At 6:55 Colorado and Louisville began shelling the northern and eastern part of Enegbi. Tennessee and Pennsylvania moved at dawn to deliver close-range destructive fire against beach defenses from flanking positions on each side of the boat lanes. At 7:20 destroyers, Phelps and Hall, moved into position as direct support ships, but because of the smoke and dust rising from the island, Hall was unable to fire. Just before 8:00 the naval guns ceased fire to allow a half-hour air strike to take place. This was completed ahead of schedule and naval fire was resumed at 8:11 and increased steadily in intensity until just before the first troops landed. Shortly after the air strike was lifted, artillery on Canna and Camellia joined the naval guns and began to fire on the beaches at maximum rate until just after the first wave landed at 8:44, whereupon the artillery barrage was lifted inland to the center of the island for another five minutes. Thereafter, because of the smallness of the island, very few call missions were fired. All of the gunfire detonated the main ammunition dump on Engebi as Colonel Walker’s amtracs made their way to the island covered by LCI gunboats. Many of the LCI rockets fell short forcing some amtracs off course, while quite a few would break down as they had been worn out by the attack on Kwajalein. Despite the technical difficulties, the first assault waves hit the beaches at 8:43. The 2nd Battalion hit Beach Blue 3 with G Company on the left, F Company in the center and e Company on the right; and the 1st Battalion hit Beach White 1 with B Company on the left, A Company in the center and C Company on the right. On the left, the 2nd Battalion pushed forward rapidly, bypassing isolated points of resistance and quickly overran the airfield by 10:30. F Company managed to swing towards Weasel Point on the west corner with remarkable speed. On the right, the 1st Battalion quickly split up with A Company advancing north to New Point and C Company towards Skunk Point on the southeast corner. The Japanese put up a stiff fight against them, as their spider-hole defenses on the gap between the 2 companies were covered by the dense brush and palms. As a result, the 3rd Battalion would land at Beach White 1 at 09:55 and quickly advanced with tanks to clear the various tunnels and covered foxholes that resisted them. The Japanese were slowly forced northward along the island's eastern shore, eventually becoming isolated and cut down. By 1:10, Weasel and Newt Points had been cleared; and at 2:50, about 6 hours after the initial landing, General Watson declared the island secured. 6 minutes later, C Company captured Skunk Point; and by 6:30, the 1st Battalion secured their half of Engebi. The assault had been executed so fast that even the veteran IJA defenders were unable to offer any meaningful organized resistance. Bypassed Japanese troops and infiltrators did cause difficulties through the night, but mopping-up continued and Engebi was formally secured at 8:00 on February 19. American losses were 85 dead and missing and 521 wounded against the 1280 Japanese killed and 16 taken prisoner. For the assault against Eniwetok, new intelligence indicated that the island was more heavily defended than expected, so Watson would reinforce the 106th Regiment with Walker’s reserve 3rd Battalion and some Marine tanks. What they would be facing on Eniwetok was a total of 2 flame throwers, 13 grenade dischargers, 12 light machine guns, 2 heavy machine guns, 1 50-mm. mortar, 11 81-mm. mortars, 1 20-mm. automatic gun, 3 20-mm. cannons, and 3 light tanks. The Eniwetok garrison was divided into 5 forces, 3 on the lagoon shore, 1 placed so as to cut off the narrow eastern neck of the island, and 1 to be held in reserve. The 3 lagoon shore forces were to place their weapons so as to obtain interlocking bands of fire over the surface of the lagoon. The force in the east was to protect the rear of the 3 lagoon shore forces from any American units landing on the northern tip of the island. The reserve force was placed to the rear of the forces on the lagoon shore, near the western tip of the island. The defenses of the island consisted mostly of foxholes and trenches, which were better constructed and better camouflaged than those at Parry. After the capture of Kwajalein, the Japanese had begun construction of concrete pillboxes on the southwest tip of the island and had dug additional foxholes. Land mines were also found on Eniwetok. Colonel Ayers’ new plan was to land his two battalions abreast. 1st Battalion would land on the right on Yellow Beach 2 and was charged with making the main effort to the west to clear the lower end of the island. The 3rd Battalion would land on Yellow Beach 1 and form a covering line just east of a road that bisected the island from the lagoon to the ocean shore. For the assault, the infantrymen lacked field artillery support; and although Eniwetok had also been subjected to naval bombardment on February 18, it had only received a fraction of the bombardment targeted against Engebi and Parry. A total of 1,179.7 tons of naval shells had been fired on Engebi, 944.4 tons were to be used on Parry, but Eniwetok received only 204.6 tons altogether. At 8:10am on the 19th, carrier planes began to bomb and strafe the beaches and LCI gunboats followed this up with a last-minute rocket attack against the landing areas. Meanwhile, although the arrival of the marine tanks was delayed by choppy seas and a 9-foot embankment just inland halted the amphibian tanks, but the Americans would manage to hit the Yellow beaches at 9:16. The 3rd Battalion landed on Beach Yellow 1 with L Company on the left, K Company on the right, and I Company following as reserve. Upon landing, L Company, followed by I Company pivoted east along the pier while K Company pushed across the island to reach the opposite coast at 10:30. On the right, however, the 1st Battalion encountered dense spider-hole defenses as C and B Companies attempted to push across the island while A Company attacked southwest along the coast. By noon, the front line of the 1st Battalion was in the shape of an S, extending from the lagoon to the ocean. The Japanese at this point made a bit of an unexpected move. As the Americans penetrated further inland, the Japanese began abandoning their positions and launched a 400 man counterattack. The Japanese managed to break through before getting completely cut down causing some havoc, but by 12:45 were beaten back. The American casua…

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    - 117 - Pacific War - Operation Hailstone: the Smashing of Truk , February 13-20, 1944 Feb 13, 2024
    Show notes

    Last time we spoke about Operation Flintlock, the invasion of Kwajalein. The Americans had unleashed an incredible amount of air, sea and land forces against the Marshall Islands. The amphibious invasion of most of the islands saw little resistance, but on Kwajalein they would meet a determined enemy. The Americans achieved strategic surprise; artillery preparation, naval gunfire, and aerial bombardment had successfully softened up the target in a fashion unexcelled at any other time in the Pacific War; the ship-to-shore movement had been conducted expeditiously and without too many hiccups; supplies flowed ashore and to the front lines relatively smoothly and without interruption; the infantry-engineer teams assisted by tanks moved steadily clearing the enemy from shelters and pillboxes; and American casualties had been fairly light. Altogether, the battle for Kwajalein represented the ideal for all military operations. Then we covered a bit of the Burma front where the allies unleashing an offensive, while the Japanese unleashed Operation HA-GO. This episode is Operation Hailstone: the Smashing of Truk Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. For those who came rushing over to see the scene at Kwajalein descriptions given were comically noted as “a hell of a Spruance Haircut, with some Mitscher shampoo”. Looking down at Roi and Namur a F6F pilot recalled “ it looked like “the moon,” or “plowed ground.” The beach and roads were strewn with the charred and misshapen remains of equipment, tanks, and armored vehicles. I don’t think there was a stick of anything standing. It looked just completely beaten up.” A sailor who visited one of the captured atolls had observed “palms were shredded where shells and bomb fragments had made direct hits, leaving stumps that looked like old-fashioned shaving brushes stuck, bristles up, in the sand”. Holland Smith was greatly annoyed by the number of sightseers who came to Kwajalein stating. a “regular tourist haunt. . . . The big army and navy brass from Pearl Harbor descended on us like flies. The photographers had a gala day snapping pictures against the background of shelled buildings, while visiting brass hunted for samurai swords and other souvenirs.” Meanwhile a single battalion was assigned to capture Majuro, and their battle would consist of walking up some beaches completely unopposed. The Japanese garrison had pulled out a week earlier. Admiral Hill declared the atoll secure only 2 hours after landings were made. Its huge anchorage would accommodate all the mobile floating logistical assets of Service Squadron 10 and for the time being became the principal advance base for the 5th fleet. Jaluit, Mille, Wotje and Maloelap, which had sizable Japanese garrisons, would not be invaded by the Allied forces. Since the Japanese were cut off from outside assistance, the garrisons were doing no harm to the Allied effort, so they would be left alone, thus saving many American and Japanese lives by not forcing the issue. But Eniwetok Atoll would not be bypassed, because she held the second largest lagoon in the Marshall Islands. As Admiral Nimitz and his commanders considered the repercussions of their surprising quick and low cost victory, they soon elected to accelerate the schedule of future operations in the region. Eniwetok had been originally slabbed for May, but it seemed obvious the Japanese power in the Marshalls was crumbling a lot faster than anticipated. Consequently, Admiral Nimitz knew it would be necessary to capture the atoll to give shelter to all the ships he intended to deploy westward in the drive against the Japanese inner empire. Since it now seemed Brigadier-General Thomas Watson’s 8000 reserve troops of the 22nd Marines and the 106th Regiment would no longer be required, Admirals Spruance and Hill began preparing them for the invasion of Eniwetok. However Eniwetok was within Truk’s air combat radius, thus to hit Eniwetok, they would first have to neutralize what was called the Gibraltar of the Pacific, Truk. Prior to WW2, Truk was neither well developed nor well defended. Although the US feared the Japanese had been fortifying Truk for nearly two decades; in truth, the Japanese largely ignored Truk after capturing it during WW1. When the Pacific War started on December 7, 1941, only a few coastal batteries and naval minefields added since November 1939 covered the passes into Truk Lagoon. Few other defenses, including inadequate anti-aircraft artillery, protected it. To the US Navy, Truk appeared impregnable and sailors spoke the name in awe‑struck tones. This was because Truk needed few artificial defenses to make it virtually impregnable to surface invasion. Truk was a naturally sheltered and easily defended anchorage, large enough to accommodate the entire IJN and out of range of enemy naval guns. Their defense, however, depended on the air garrison, one of the strongest in Japan’s Southeast Pacific theater. Dangerous long‑range reconnaissance flights flown by B‑24s from bases in the Gilberts in December 1943 managed to bring back photos that allowed intelligence officers to map out the air bases and the various anchorages in the lagoon. Analysts thus began to realize there was not as much there as expected. And thus Operations Catchpole and Hailstone were born. Catchpole would be the invasion of Eniwetok while Hailstone would be the neutralization of Truk and as a secondary objective, to discern if Truk could be bypassed similarly as Rabaul or Maloelap was. Operation Hailstone would be bigger than December’s raid against Kwajalein. Vice-Admiral Raymond Spruance’s 5th fleet would deploy Task Group 50.9 and three of Task Force 58’s four fast carrier task groups. Task Force 50 was under Spruance himself while Admiral Mitscher had command over the carrier task force. Spruance would also had overall command over the operation. Fleet carriers Enterprise, Yorktown, Essex, Intrepid, and Bunker Hill and light carriers, Belleau Wood, Cabot, and Monterey would be launched aircraft in the operation. Admiral Lea would control a fast striking force consisting of light carrier Cowpens, and battleships Iowa, New Jersey, Massachusetts, Alabama, South Dakota and North Carolina. 10 submarines would be lurking like sharks around Truk independently seeing if they could possibly intercept some IJN forces or rescue down US pilots during the attack. To prepare for the operation, on February 4th a lone PB4Y Liberator launched off Torokina’s airfield to carry out reconnaissance of Truk. The photos indicated that Truk Lagoon held a battleship, two aircraft carriers, six heavy cruisers and four light cruisers, 20 destroyers, and 12 submarines. The PB4Y was spotted and fired on by warships in the harbor and several fighters were launched to intercept, but only one, a floatplane fighter, came close enough to open fire. The pilot managed to high tail it out of there safely. The American reconnaissance flight alerted Admiral Koga that they could expect a heavy raid at any moment, so he ordered all his warships to depart the lagoon before February 21st, the date they predicted the Americans would hit. The departure was extremely hasty. 2 auxiliary aircraft carriers had just arrived at Truk the previous month. When the departure order came, they haphazardly unloaded their aircraft in order to leave quickly. The aircraft were left parked nose-to-tail on airport aprons and taxiways. Cargo ships equally hastily unloaded stores so they could leave. Fuel barges were drained to top off the tanks of the Combined Fleet’s major units. They had to be tediously refilled from tankers, a task made difficult by choppy seas kicked up by rough weather between February 13 and 15. On February 12, most of the Combined Fleet’s major units left Truk for Palau. The light cruiser Agano, previously damaged and under repair, could not depart until February 16. Its departure was so late that it would be caught and sunk by the newly arrived US submarine screen. Other ships were still preparing to leave, their departure delayed by bad weather and slow refueling. Of those ships trapped still at Truk were the 4th fleet of Vice-Admiral Kobayashi Masami, consisting of light cruiser Naka; destroyers Maikaze and Oite, alongside some units of the 8th Fleet and several transports. There were also various auxiliary, destroyer, repair ships, transports and the 6th Fleet of Vice-Admiral Takagi Takeo headquarters. On February 5th, Admiral Hill learnt he would be commanding the Eniwetok expeditionary forces and have less than two weeks to prepare them. Moving up the invasion of Eniwetok required stripping the new garrisons of Kwajalein and Roi-Namur of manpower and supplies. The landing boat crews were green and had no real training with the troops. As recalled by General Watson “the infantry, amphibian tractors, amphibian tanks, tanks, aircraft, supporting naval ships, and most of the staffs concerned had never worked together before.” Yet we will be talking about Eniwetok in the next episode so we will be diving straight into Hailstone. Operation Hailstone had been long on American drawing board. On December 26, 1943, Admiral Nimitz had informed King that he thought the operation would become feasible by the following April, but he pledged to do it earlier if circumstances allowed: “Much depends on extent of damage inflicted on enemy in all areas in next 2 months.” Located 669 miles southwest of Eniwetok, Truk was a colossal atoll, it held a cluster of around a dozen islands near the center of its lagoon. Around 2000 Micronesian natives lived on the islands, mostly in thatch huts on grassy plains and beaches. There was a sense of dread amongst the aviators and crewmen of the task forces assigned to the operation. They were to attack the “mystery base”, Truk had acquired a reputation as an unassailable fortress. It was thought to be a major hub of Japanese airpower, defended by hundreds of crack pilots in Zeros. The task forces sortied westward on February 12th and no Japanese would bother their approach. The carriers got to their assembly point 90 miles northeast of Dublon before sunrise on February 17th. AT 4:43am the operation kicked off when 5 fleet carriers launched 72 Hellcats to go knock out the enemy air power prior to sending in the bombers. This was a new technique Admiral Mitscher had concocted himself. The Japanese were caught completely unprepared, no Japanese aircraft were in the air when radar picked up the incoming aircraft. The IJN's 22nd and 26th Air Flotilla's were on shore leave and their radar had difficulty detecting low flying aircraft, a weakness allied intelligence exploited. Despite this, the Japanese tossed 90 aircraft, half of which attempted to intercept the US fighters without coordination. Within minutes of combat, 30 Japanese fighters were shot down, by the end of the engagement a total of 55 would fall. The Americans lost 4 Hellcats, and at least one according to VF-6 pilot Alex Vraciu was a victim of friendly fire. “There were dog fights all over the place. I even saw one of our Hellcats shoot another Hellcat down. It was a great deflection shot but . . . one of our guys just shot first before being sure and this other poor pilot was forced to parachute out. In the course of the action, I saw a number of Japanese parachutes in the air.” The American pilots had expected to be facing 200 Japanese aircraft. According to estimates given in postwar interrogations, the Japanese had 68 operational airplanes on the Moen field; 27 on the Dublon field; 20 on Eten and 46 on Param, for a total of 161. Parked on the big field at Eten were some 180 aircraft that were damaged, most grounded for lack of spare parts, or immobilized for lack of aircrews. Most of these would be destroyed on the ground. Although Admiral Koga anticipated the American move against Truk, air and naval forces were not on the alert when the American planes suddenly appeared overhead. According to Masataka Chihaya, a staff officer with the 4 Fleet, the pilots, ground personnel, and ships’ crews had been kept in 24hr readiness since the overflight of the 2 marine PB4Ys two weeks earlier, and had reached a state of collective exhaustion. Another factor to the catastrophe was that of morale and even discipline had eroded since the withdrawal of the heavy warships. Pilots had refused to climb into their cockpits when ordered, many had gone absent without leave. The atoll’s commander, Vice Admiral Masami Kobayashi, had apparently concluded that the American fleet was still engaged in the Marshalls, and authorized a downgrade in the alert level. On February 16, many pilots and other personnel had left their barracks for R&R. The morning of the American raid found a large proportion of Truk’s aviators asleep in the atoll’s largest town, on the island of Dublon, having partied pretty hard into the night at local drinking establishments. Their only means of returning to their airfield on the island of Eten was by ferry, and the ferry could not accommodate all of them at once. Many aircraft, both on Eten and on the airfields of Moen and Param islands, had also been disarmed and drained of fuel. Kobayashi’s ignominious failure to keep his forces on alert put an end to his naval career; he was relieved of command and then forced to retire from active service. Having swept the skies of opposition by 6:00am, the Hellcats began strafing the seaplane base at Dublon and the airfields on Moen, Eten, and Param, successfully destroying another 40 aircraft on the ground. As the fighter sweep was ending, 18 Avengers emerged dropping their payloads onto the airfields, neutralizing Truks air power. As such, the living hell created by strafing and bombs saw a total of 125 operational aircraft and 110 air arsenal aircraft get destroyed or seriously damaged on the ground. With Truk’s air power neutralized, the next American objective was to hit the shipping in the lagoon, so the carriers then began launching full deckload strikes, staggering the launches so that there were aircraft over Truk virtually continuously for the rest of the day. James D. Ramage, flying a VB-10 Dauntless, noted that several Zeros flew by him without offering combat. He assumed that they were dispirited by the one-sided results of the air fight and were determined to survive it. It was a syndrome that had become increasingly common during the later stages of the South Pacific air campaign. Due to the lack of air cover or warning, many merchant ships were caught at anchor with only the islands' anti-aircraft guns for defense. At 07:30, the first shipping began to be attacked. Yorktown’s bombers rapidly sinking the cargo ship Fujikawa Maru and then bombing the submarine tender Rio de Janeiro Maru was hit by 1,000lb bombs dropped by Yorktown SBD Dauntlesses east of Uman. It stayed afloat, but sank the next day. Another submarine tender, the Heian Maru, headquarters of Vice-Admiral Takagi Takeo was hit twice , but the ship would successfully survive the relentless American attacks, then offloading Takagi on Dublon after sunset. By 9:23am, Lee’s battleships, heavy cruisers and destroyers came in to try and catch escaping ships.…

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    - 116 - Pacific War - The Fall of Kwajalein , February 6-13, 1944 Feb 06, 2024
    Show notes

    Last time we spoke about Operation Flintlock, the invasion of the Marshall islands. The allies brought overwhelming power against the Marshalls, unleashing the simultaneous invasions of numerous islands in an attempt to strike at the heart of the island chain at Kwajalein. The horror of the Gilbert Island campaign plagued the minds of the commanders who hoped to thwart such carnage. Airstrikes, naval bombardments and massive amounts of land based artillery smashed the Japanese defenders into submission before amphibious assaults were made. Countless islands such as Roi-Namur fell one by one as the Americans secured places to deploy further artillery to forces the ultimate submission of the defenses on Kwajalein. The casualties were light, but the fight for Kwajalein would soon descend into a bitter struggle, for the Japanese were not going to give up their stronghold without a good fight. This episode is The Fall of Kwajalein Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. Operation Flintlock went off with a bang, and was initially a grand success. Aerial bombing, followed by naval bombardment and then land based artillery was smashing the Japanese defenders into submission. One by one the islands were falling into the Americans hands. On the second day of the battle, Roi-Namur, the northern objective was seized. Yet the stronghold of Kwajalein would provide much more of a fight. Back on the morning of January 28th Admiral Frederick Sherman’s Task Force 58.3 landed a knockout blow against Kwajalein’s airfield. Dawn saw a Hellcat fighter sweep ensure the airfield would not be tossing any further action before the amphibious assault occurred. The next day Sherman’s force hit Eniwetok with the same kind of treatment. Sherman’s carriers would remain off Eniwetok for 3 days while his aircraft smashed its airfields and ground installations. On the third say not much was left, just heaps of rubble and a few scattered palm trees stripped of their foliage. Sherman’s airmen reported “they could not find any targets on the ground or in the lagoon that seemed worth bombing, and the island looked like a desert waste.” The warships came in on the 31st just off Roi and at 6:51am, Admiral Conolly maneuvered Maryland 2000 yards away from the northern beaches before unleashing 16 inch guns. As Holland Smith put it “So close that his guns almost poked their muzzles into Japanese positions.” By 7:15am the naval guns went silent as carrier planes came swooping in. Then 127mm artillery from Roi began firing, alongside cruisers and destroyers. Return fire occurred, but for a very short amount of time as they were snuffed out. Admiral Truman Hedding recalled “We learned a lot about softening up these islands before we sent the Marines in. We really worked that place over. They developed a tactic called the ‘Spruance haircut.’ We just knocked everything down; there wasn’t even a palm tree left.” The Kwajalein atoll islands were hit with 15,000 tons of bombs and naval shells in 72hrs. Admiral Turner would make a Churchillian statement about the event “Never in the history of human conflict has so much been thrown by so many at so few.” Then transports carrying nearly 64,000 men of the 4th marine division and the 7th army division were launched at Ivan, Jacob, Allen, Andrew, Albert and Abraham islands. Once they were secured, the marines set up artillery batteries. The 7th infantry division was assigned the task of taking the banana shaped Kwajalein island as their colleagues set up 105mm and 155mm howitzers on nearby Roi-Namur. The 32nd and 184th regiments landed on the lagoon side at 9:30am on February 1st, first encountered only feeble and intermittent resistance. The eastern half of the island was secured in quick time, as the bombardments had certainly inflicted heavy casualties upon the enemy. The army moved slowly and methodically, advancing cautiously against the Japanese fixed positions. Soon they reached Carl Road, where they were met with an impressive defense system consisting of an anti-tank ditch on the south and a long rifle trench on the north. As February 2nd came on, so did another wide scale smashing of the Japanese. Artillery fire on Carlson Island and from the 32nd Regiments Cannon Company in the Wart Area coordinated with the tank and infantry movements. While the new assault units were moving up, the enemy in Corn Strong Point were kept under heavy artillery bombardment and were isolated from possible reinforcements by naval gunfire. Enemy guns that were still active in the northeastern end of the island were struck by dive bombers. The jump-off was ordered for 12:45. A series of delays deferred this crucial attack over an hour. To assemble the staff and coordinate the plans for employing tanks, artillery, and infantry while the 3d Battalion made its approach march, proved difficult to arrange. The time for the assault had passed before the planning difficulties were resolved. Then came notice of an air strike to be made at 1:15pm later postponed, on Admiral Turner's order, to 1:30, thus necessitating the suspension of all artillery fire. Since the attack on Corn Strong Point was to be immediately preceded by a heavy artillery barrage, the whole operation was postponed to 2:00. For the initial assault on the tank trap and Corn Strong Point, Colonel Logie’s 32d Infantry's 3d Battalion was ordered to pass through its 2nd Battalion at Carl Road and to lead the attack. These fresh troops were to be supported by the tanks of A and D comapnies, 767th Tank Battalion and, from the left flank, by the tanks of B company, which would be temporarily detached from the 184th. The tanks of A company, 767th Tank Battalion, lined up along Carl Road to fire against the strong point, while those from B company took up positions almost at right angles to that road and prepared to strike the enemy from the left flank during the first stage of the attack. One of the batteries on Carlson continued to fire during the air strike, and the Cannon Company's howitzers also laid a preparation on the target area before the advance commenced at 2pm. Then, while the artillery lifted fire to ground northeast of the target, the tanks and infantry approached the tank trap in a 225-yard advance across open ground. The tanks poured machine gun fire into the area. Thirty yards behind them the troops came forward to the shelter of the tank ditch without receiving an enemy shot. The Japanese were pinned down. The assault initially saw the Americans pin down the Japanese. While the left wing of infantry troops started to push across the wide tank barrier, the tanks on their left momentarily broke off fire from the flank. A few tanks from A company, 767th Tank Battalion, moved toward the ocean to bypass the deep ditch, and the others after a brief hesitation laid a base of fire to cover the infantry's advance. The tanks hesitated to poke out along the flimsy wooden bridge by which Wallace Road cut through the angle of the tank trap. At this stage, a concentration of white phosphorus shells commenced to fall into the area in which I company, 32nd Infantry, was moving, and countless men were burned. After hesitating briefly the infantry moved steadily to the tank ditch. There the troops remained for some time because the medium tanks pulled back claiming they could not get over the ditch. The tanks finally broke through and began to make their way to the beach smashing pillboxes in the Corn strongpoint. An estimated 100 Japanese were killed in the area, the majority by demolition charges carried forward by engineer details while rifle and BAR men covered them. Little or no defense was put up against these tactics. The Japanese remained huddled in their shelters in spite of efforts made to coax them out to surrender. Only a single prisoner was taken in the whole area. Grenades were thrown into the shelters, and those who survived were then destroyed by demolition charges. Altogether, it took about 35 minutes to reduce Corn Strong Point once the American infantry got beyond the tank trap. Contact between the forward battalion of the 32nd Infantry and that of the 184th was temporarily lost during this fray, and K company, 32nd Infantry, moved through the left platoon of I company to establish contact firmly as soon as Corn Strong Point was taken. Advance to the Nora Road line seemed practicable within the time remaining before taking defensive positions for the night. To escape spending the night in an area too heavily wooded for security, the 3rd Battalion, 32nd Infantry, planned to advance northeast of the junction of Nora Road and Wallace Road, even though that would place its perimeter slightly forward of the 184th's front-line elements, which were resting just short of Nora Road itself. To the north, Colonel O’Sullivan’s 2nd Battalion began advancing at 12:45 without tank support. F Company was on the right while E Company on the left along the lagoon. For the first 45 minutes no serious resistance was met. There were no tank obstacles in the area and the enemy's positions along the lagoon shore were less formidable than had been expected. At 1:30, however, the 184th had to lend its medium tanks to the 32nd Infantry as the latter moved against Corn Strong Point. This left the infantry unprotected at a time when they began to meet their first serious resistance. Without the tank support the infantry became stalled. The 184th suffered over 60 casualties by the end of the day, including the loss of F Company’s commanding officer. O’Sullivan was forced to organize night defenses just 100 yards northeast of Carl Road, which also forced Logie to pull back to the abandoned trenches of Corn for the night. Heavy casualties were suffered that day, with 11 dead and 241 wounded. Japanese prisoners reported only 200 to 300 defenders remained, so the Americans expected a banzai charge to occur during the night. General Corlett's headquarters warned, "Be alert for counterattack at anytime day or night, it's bound to come. The Jap makes his suicide counterattack at dawn on the day after his cause becomes hopeless. Watch out tomorrow morning.” Yet there was no attach, so General Corlett prepared his men for a new assault at 07:15am. For the next day's operations, General Corlett ordered the two assault regiments: "Organize vigorous attack 0715 tomorrow… Finish the job not later than 1500 3 February. The Northern Force [at Roi-Namur] has finished the job…". At this point the Americans on Kwajalein faced a narrow 2000 yards of island. After artillery rained down at 7am, O’Sullivans 1st battalion advanced. In the first 150 yard B Company, along the lagoon, and Company A, at the right, advanced through rubble and broken trees west of Nora Road without more than scattered rifle fire from Japanese riflemen and occasional light machine gun fire from pillboxes. Their momentum carried them on for another 75 yards with such rapidity that the prospects for swift advance seemed excellent. B Company cleaned out an air raid shelter with grenades and shot down fleeing Japanese wearing arm bands like those of the American troops. Both companies were advancing over ground that had been under American mortar fire just before the jumpoff. At 8:06 enemy opposition was reported to be weak. After 250 yards the Americans reached the Admiralty area, finding a group of shattered buildings along the lagoon shore where it was believed the Japanese HQ was. Among the ruins were several underground shelters, with great earthen mounds above them. There were also concrete blockhouses. Against strong resistance, B Company would not be able to advance further; A Company, meanwhile, pushed farther north and attempted to attack from the flank through the Admiralty area, but became quickly bogged down. At the same time, Logie sent forward his 3rd Battalion, with I Company rapidly advancing along the coast while K Company stopped to subdue a large concrete pillbox on the corner of the Admiralty area. By midday, I Company reached Noel Road and K Company successfully bypassed the Admiralty area. Yet behind them, there was a vertical gap including most of the Admiralty area between the two regiments. Thus, Corlett sent Logie’s 1st Battalion to cover the gap and O’Sullivan’s 2nd Battalion to swing right and continue the advance north while his 1st Battalion contained and neutralized the Admiralty area. At 3:30, the new attack was launched, with Logie’s 3rd Battalion rapidly smashing into the Nap strongpoint while O’Sullivan’s 1st Battalion concentrated on the Admiralty area and his 2nd Battalion attacked north towards Nob Pier. E Company started its attack before those of either G Company or the 1st Battalion. At 2:40 E Company began moving northwest. Somewhat more than half an hour later E Company crossed Noel Road, with G Company on their right. 2 medium and 2 light tanks, taken over from the 1st Battalion, moved forward with each of the companies, and each had one squad of engineer troops with demolitions. Enemy rifle fire was heavy. The men broke up into small groups, proceeding unevenly in the general direction of Nob Pier. Between 6:30 and 7:00, Captain Peter Blaettler, commander of E Company was seriously wounded. Control from the battalion command post was lost seeing the men hugging the ground to avoid sharp fire from enemy riflemen. Colonel Aulich became separated from the main part of his battalion and was to remain so until the next morning, for all intensive purposes he lost command of his unit. The 2nd Battalion's attack was pushed along the eastern side of Will Road toward Nathan Road, but as sunset approached it became evident not only that Company E would not reach Nob Pier but also that across Will Road on the left flank there was an area with many strong enemy defense positions too powerful to be occupied in the 45 minutes before dark. Meanwhile, at 3:45 A Company 1st battalion was joined by 2 medium tanks and C Company by 2 mediums and 2 M10 tank destroyers. At 4:05 they assaulted the western edge of the built-up Admiralty area along a 300 yard front, with A Company’s right wing somewhat south of Noel Road. 10 minutes later they advanced towards the lagoon. Will Road was crossed shortly after 4:30. The enemy was much more firmly established between the highway and the beach, in pillboxes, blockhouses, and strong shelters. Mortar fire kept the enemy down until the tanks and infantry approached. The coordinated effort of tanks, infantry, and demolition teams ran very smoothly, gradually destroying the pillboxes and blockhouses of the Admiralty area, successfully reaching the lagoon by 6pm. To the east, Logie’s I Company rapidly reduced the weakly-defended Nap strongpoint and then pushed forward to the objective Nathan Road with haste while the other companies made slower progress against stronger defenses and would not be able to reach their objectives before nightfall. The Japanese in the areas south of the front line, were in greater numbers than on either of the preceding nights of the Kwajalein Island operation. They prowled in the forward area all night. Some incidents occurred as far to the r…

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    - 115 - Pacific War - Invasion of Marshalls , January 30 - February 6, 1944 Jan 30, 2024
    Show notes

    Last time we spoke about the fall of Shaggy Ridge, some hardcore patrolling on New Britain and major planning for the invasion of the Marshalls. The Australians seized the Kankeiri saddle, the Prothero’s, Crater Hill and countless other features until finally at last the Japanese had been dislodged from the area. Meanwhile over on New Britain, the Americans were expanding their perimeter and unleashing wave after wave of patrols, trying to figure out where the Japanese were concentrating. It was tireless work, without any good maps in a horribly difficult climate with menacing terrain. The commanders of the central, south and southwest pacific all met to finalize big plans, that would now involved the invasion of the Marshall islands. It seems Dougey boy MacArthur was delivered some setbacks for his grand advance to the Philippines, as the Central Pacific was stealing the drivers seat. This episode is Operation Flintlock: The Invasion of the Marshalls Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. In spite of General Douglas MacArthur’s attempted hijacking of the strategic control over the Pacific campaign, by trying to have the US Navy’s Central Pacific campaign pretty much aborted, it did not pan out. MacArthur had made multiple arguments against their Central plans, stating Nimitz choice of route was “time consuming and expensive in our naval power and shipping” which was really a self-serving argument flying in the face of actual evidence. MacArthur pointed out all the problems faced during the invasion of Tarawa, such as the high casualty rates. The Marines had jumped 2500 miles from New Zealand to hit Tarawa at the cost of 4 days of fighting. Yet Australian soldiers and American GI’s would take nearly a year and a half, through nearly continuously fighting to make the 300 mile journey from Port Moresby to Madang. Operation Cartwheel proved to be extremely laborious, time consuming and costly in terms of materials and men. But from MacArthur's point of view the lives lost were largely Australian and perhaps as some Historians might point out “were politically expendable to a person like MacArthur”. Kind of a hit point to make, that one came from Francis Pike’s Hirohito’s War, go after him not me folks. It was also self evident the supply lines of ships from the west coast of the US to Nimitz Pacific fleet and their Marines, some 5000 or so miles from San Diego to Kwajalein atoll, was shorter than the long route going from the US west coast to Australia then to New Guinea, a colossal 9108 mile trip. By mid 1943 the supply line to MacArthur was nearly double that of Nimitz in distance with increased dangers of IJN submarines prowling about, though as I have said numerous times, the IJN only really figured out the capability of merchant hitting in the late years of the war. Well in spite of all of that MacArthur gave Brigadier-General Frederick Osborn and MacArthurs trusty lackey Sutherland going to Washington to fight on his behalf against the Joint Chiefs of Staff, they elected to commit themselves to the Central Pacific thrust. It had been a strategic decision based on logistical and strategy…well logic? The 1943 Cairo conference ended just as Tarawa was captured, thus driving the nail in the coffin so to say. The next target on the way to the Marianas was thus the Marshall islands, way back in the old days they were property of the German empire, that Japan had stolen with ease. Ever since 1938, the Japanese banned any non Japanese ships from the region, thus US intelligence was pretty lax on them. MAGIC intercepts began to give clues as to how the Japanese deployed their troops on the Marshall islands however. This led the allied war planners to leave some “to wither on the vine” like Wotje. It was decided the main target would be Kwajalein. The 380 mile lagoon made it one of the largest in the world, quite beautiful also. Some like Rear Admiral Turner, questioned the risks of going straight into the heart of the Marshall islands, calling the move “too aggressive and dangerous and reckless!” But Nimitz and Spruance were adamant, well this was before Tarawa. The bitter lessons learnt on Tarawa prompted Spruance to determine that “Kwajalein would be struck with violent, overwhelming force and swiftly applied”. For the invasion of the Marshalls, codenamed Operation Flintlock, the first phase was to be the capture of Kwajalein, earmarked by General Corlett’s 7th division against the southern group of islands in the atoll that included Kawjalein. General Schmidt’s 4th marine division would capture Roi-Namur and the northern islands in the atoll. Furthermore prior to these attacks, Colonel Sheldon’s Sundance Landing Force would hit Majuro Atoll. Because of the experiences gained during the invasion of the Gilberts, a far greater quantity and variety of amphibious equipment had been made available to the Central Pacific forces. Now the attack force commanders would not have to rely on the faulty communications systems of battleships to maintain proper radio liaison between ship and shore and ship and air. Two newly constructed headquarters ships, each equipped with the latest developments in radio and radar gear and unburdened by gunfire support duties, were provided for the operation. Several improvements were also made in the techniques of softening up the enemy defenses before the first troops touched shore. The US Navy changed their bombardment tactics based on the experience at Tarawa and now used armor piercing shells and fired from closer ranges. These all added would increase the quantity and accuracy of firepower to be delivered before the invasion. To provide a last-minute saturation of the beaches, two new, or rather modified, forms of older types of amphibious equipment were also introduced. The first of these was the amphibian tank LVT-A, which was just the standard amphibian tractor equipped with extra armor plating and mounting a 37-mm gun housed in a turret. The second was the LCI gunboat, an LCI converted into a gunboat by the addition of three 40-mm guns and banks of 4.5-inch rocket launchers. Admiral Turner’s plan called for extensive pre-landing bombardment both from surface ships and from aircraft. Most of the Marshall’s airfields had been successfully neutralized by Admiral Hoover’s aircraft over the prior months. To complete preliminary operations, Admiral Mitschers Fast Carrier force launched a heavy strike on January 29 and 30th. On the 30th, eight of Mitschers battleships, accompanied by about a dozen destroyers, were to deliver a dawn bombardment against Kwajalein Island and Roi-Namur. The object was to destroy aircraft, coast defense guns, and personnel, and to render the airfields temporarily useless. At the same time, two advance units of cruisers and destroyers from Turner's task force were to bombard the airfields at Wotje and Maloelap. These dawn bombardments were to be followed by air strikes against each of the objectives. After the strikes were completed the surface ships would again take up the bombardment and maintain a steady fire until about noon. Then on the 31st, initial landings would begin against Carlson (Enubuj), lying northwest of Kwajalein Island; Ivan (Mellu) and Jacob (Ennuebing) Islands, lying southwest of Roi-Namur. For southern Kwajalein, three other small islands in addition to Carlson were to be captured during the preparatory phase of the operation. These were Carlos (Ennylabegan), Carter (Gea), and Cecil (Ninni) Islands, all lying north of Carlson. On some of these islands artillery could be emplaced for the main assault. On February 1st, battleships, cruisers and destroyers would conduct a monster bombardment in support of the main landings and air strikes would begin 45 minutes before the men hit the beaches. There would be a cease to the carnage 25 minutes before to allow the smaller islands to deploy their artillery to help support the main assault. With this tremendous bombardment by aircraft, surface ships, and artillery, all to be executed before the first troops hit the shore line, it was hoped that the bitter experience of Tarawa would not be repeated. For the attack on Kwajalein Island, Corlett decided to land on a narrow front on the beaches at the western extremity, as the reef and surf conditions were more favorable there. He had at his disposal 79 amphibian tanks and 95 amphibian tractors that would transport the first 4 waves to hit the southern beaches. The first with great secrecy would be a pre-dawn landing against Carter and Cecil islands, by one platoon of the 7th Cavalry Reconnaissance Troop. The reconnaissance troop was embarked on two high-speed transports (APD's), along with two platoons of Company B, 111th Infantry. After this the 17th regiment led by Col. Wayne C. Zimmerman would land on Carlos and Carlson islands. The 1st Battalion, 17th Infantry, would hit Carlos while the 2nd Battalion, 17th Infantry, hit Carlson. The 3rd Battalion, 17th Infantry was to be held in reserve, ready to go to the aid of either landing team. While the capture of Carlson Island was in progress, the division artillery, loaded for the most part on amphibious trucks, was to debark and proceed to a rendezvous area offshore. Upon a signal from the commander of the Carlson landing force, the guns were to be moved ashore and into position. This was all done to secure General Arnold's artillery, whom on the night of the D-day along the 145th field artillery battalions would deliver interdictory fire from Carlson on all the principal fortified areas of Kwajalein Island and place counter-battery fire on any enemy artillery that might be emplaced on Burton. They were also to fire general support missions for the infantry. Finally, the 184th on the left and 32nd Regiment on the right would land abreast and advance up the axis of the island. If things looked like they were going well enough and the reserve 17th regiment would not be necessary, they would instead capture the remaining islands of Beverly (South Gugegwe), Berlin (North Gugegwe), Benson, and Bennett (Bigej) Islands in the eastern chain. There was a hell of a lot of fire power they would face as well. On Kwajalein, 4 12.7-cm, dual-purpose twin-mount guns were divided into batteries of 2, one located at each end of the island. Each battery was protected by 7.7-mm. and 13-mm. machine guns along the nearby beaches. Near each gun were 2 150-cm. searchlights. In addition, the northern end of the island was guarded by a twin-mount dual-purpose 13-mm machine gun on the lagoon shore. Several 7.7-mm. machine guns were in position on the western end and other heavy machine guns were scattered about the center of the island, some mounted on wooden sleds for easy movement to critical points. On the ocean shore were 6 8-cm. dual-purpose guns, divided into 2 batteries of 3 guns each. One battery was east of the tank ditch and the other was opposite the center of the airfield. The first had a 360-degree traverse and could fire either to seaward or landward. The other formed the nucleus of a strongpoint composed of a semicircle of rifle pits facing the beach supported by one heavy and one 13-mm. machine gun, and also included an observation tower, a range finder, and a 110-cm. searchlight. 2 other 8-cm. guns were in position on the lagoon shore, and the blockhouse on the main pier (Nob Pier), which jutted out into the lagoon near the northern tip of the island, had a 13-mm. dual-purpose gun on its roof and firing ports on the ground floor allowing machine guns to fire in all directions. For the attack on Roi-Namur, Schmidt's 1st phase was to capture the 5 islets near Roi-Namur. The Ivan Landing Group was commanded by Brig. General James L. Underhill, consisting of the 25th Marines under Col. Samuel C. Cumming; the 14th Marines Artillery and Company D of the 4th Tank Battalion. They would seize Jacon and Ivan islands to allow the 3rd and 4th Battalions of the 14th Marine Regiment artillery to deploy. Then they would hit Albert, Allen and Abraham islands where the 1st and 2nd Battalions of the 14th Marine Regiment artillery would deploy. For the main landings Schmidt chose to perform a orthodox amphibious maneuver, simply landing two regiments abreast on a broad front over the lagoon shore. The 23rd marines would hit Roi’s red beach 2 and 3 and the 24th marines would hit Namur’s Green beaches 1 and 2. The 3rd and final phase would see the capture of the remaining islands in the northern Kwajaleins. Now that was all for the Americans, but what about the defenders? Admiral Akiyama had recently been reinforced with a number of IJA units such as the 3rd South Sea Garrison from Wake; the 1st South Seas detachment from Mille and Jaluit and the 1st Amphibious mobile brigade from Eniwetok. The reinforcements were deployed mostly on the periphery, as Kwajalien, Jaluit, Maloelap and Wotje had sizable naval garrisons already. The hub of the Japanese military in the Marshalls was at Kwajalein and its main air base at Roi. If you pull out a map, which I do hope many of you do during this entire podcast series haha, especially for Burma it gets really confusing, trust me I know your pain. You can see Kwajalein lies far to the west, with Jaluit, Mille, Maloelap and Wotje kind of acting as buffers. If you were a Japanese commander you would most likely assume any invasion attempt would hit outer islands first and leave Kwajalein as the last one. A quote from one commander, Chikataka Nakajima makes this point "There was divided opinion as to whether you would land at Jaluit or Mille. Some thought you would land on Wotje but there were few who thought you would go right to the heart of the Marshalls and take Kwajalein.” The three most heavily defended islands were Roi-Namur, Kwajalein and Burton in that order of strength. The defenses of Roi-Namur were organized around a series of seven strong points, 4 on Roi and 3 on Namur, all on the ocean side. Starting from the southwest tip of Roi, the first was located along the southern shore of the west coast. The second and third were to the south and north of the northwest taxi circle. The fourth was on both sides of the wire and stone barriers next to the northeast taxi circle. The fifth, sixth, and seventh were on the northwest, north, and east tips of Namur, respectively. From the lagoon side the approaches were covered mostly by nothing heavier than 7.7-mm. machine guns. Wire entanglements were found at two points—on the beach around the northeast taxi circle on Roi, and on the narrow bit of land connecting Roi with Namur. The beach around the northeast taxi circle also boasted a tank obstacle in the form of large rocks jutting out of a rock wall. Anti-tank ditches had been dug throughout the two islands. On Kwajalein, there was a concrete sea wall along most of the ocean shore and around the northern and western ends of the island. The section at the northern end had posts set into it, probably to act as a tank barricade. East of the area cleared for the airfield was a tank ditch extending halfway across the island, and three smaller tank ditches ran between the ocean shore and the road in the vicinity of the airfield. Th…

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    - 114 - Pacific War - Fall of Shaggy Ridge , January 23-30, 1944 Jan 23, 2024
    Show notes

    Last time we spoke about the operations HA-GO, U-GO and the continued drive against Shaggy ridge. Lt General Mutaguchi Renya sought to invade India and was continuously scheming to drag the rest of the IJA on this rather insane endeavor. Yet the allies also tossed their own operations in the Burma theater greatly disrupting the Japanese planners and achieving numerous objectives. Over in New Guinea, Vasey launched an offensive against the Kankeiri saddle, designated operation cutthroat. Meanwhile General Nakano 's men were in a dire situation with the allied seizure of Sio and Saidor. Multiple Japanese units found themselves all doing the same thing, retreating further north. It seemed no matter what defensive lines they established, the allies kept their advance over land and periodically amphibious assaults their flanks and rear. The formidable defenses region of Shaggy ridge was not going to hold up against the allied advance much longer. This episode is The Fall of Shaggy Ridge Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. The Australian advance overland and Saidor operation had paid great dividends over and above the establishment of forward military base construction. The allies had formed a giant wedge between a significant residue of the Japanese fleeing the Finschhafen area. General Adachi commanding the 18th area army was facing a nightmare. Prior to the American landing, he had visited the 51st division HQ at Kiari and then traveled overland to the 20th Division over at Sio. He was fully aware of the hardships facing both forces. Meanwhile news of the Saidor landings hit Rabaul creating a massive debate. Senior officers sought to bring over all available troops to try and retake the town. Others sought to save as many troops as possible for a defense of Wewak, considering it the next main allies target. General Imamura favored bypassing Saidor altogether and withdrawing over inland trails. Thus Adachi appointed General Nakano to take charge of the withdrawal to Madang, and ordered 8 other companies to cross the Ramu valley to Bogadjim to harass the Americans at Saidor. These were purely defensive maneuvers. The Japanese also faced the daunting task of how to evacuate large numbers of troops from the 20th and 51st divisions from the impending allied trap. Nakano took the lead getting the 20th to retreat up the coast while the 51st worked their war over the inland trails. Nakano would soon be forced to abandon the plans and ordered both to pull into the interior to retreat towards Madang, nearly 200 miles away. This would mean the exhausted, starving and sick Japanese had to battle through the jungles, ridges, rivers and other horrors of the Finisterre range. Meanwhile Saidor was easily secured by the 32nd division, the Australian 7th division advanced through the Ramu Valley and came face to face with Shaggy Ridge. Shaggy ridge had been transformed into a heavy fortified position with numerous nasty features such as the Kankeiri saddle, Pimple, Intermediate snipers pimple, Green snipers pimple, Prothero 1 and 2 and so forth. During the first weeks of January the Australians made very little headway against the honeycombed Japanese defenses. Their air forces were called in numerous times to plaster the ridgelines in a 3 day assault designated Operation Cutthroat. On the 18th of January, B-25s from Nadzab and Port Moresby would drop 500 lb bombs all over the defenses. On the 21st P-40s strafed and bombed the area and this was met with some reorganizing of the ground forces. The 15th and 18th brigades relieved the exhausted 21st and 25th. Brigadier F. O Chilton began the new job by opening heavy artillery up on Prothero I. Captain T. L James with the 2/2 pioneer battalion described the attack on January 20th “At 1000 hours we met 2/12 Infantry Battalion at the appointed rendezvous, where I met their CO., Lt.-CoI. C. F. Bourne. We did not stay long at the rendezvous but formed up and commenced the long approach march. It was a gruelling day. The long single file moved silently up the deep ravines, scaling cliff-faces with the aid of ropes and lawyer vines. It took us the entire day to cover the four mile approach. In one spot that was almost impossible to traverse—a steep-sided cliff—they rigged lawyer vines between trees to act as a handrail and allow us to pull ourselves up." Despite the harsh conditions and fierce resistance, the Australians got atop Canning saddle and then forded the Mene river and drew near the village. Colonel Matsumoto’s men were now trapped between the 2/9th battalion advancing from the Pimple and the 2/12th battalion from Prothero 1. To the east there was the 2/10th battalion about a mile away from the main Japanese defensive position along the Kankeiri saddle. On the 22nd, the 2/12th dispatched D company who advanced between Prothero1 and Prothero 2. At 10:40am they began to fire their artillery upon Prothero 2 and at 11:15am a platoon tried to progress but was held down by Japanese snipers and machine gun fire. A company came through D company to advance along Shaggy ridge until 3:30 pm once they took were held down by Japanese fire. Then a single australian section rushed forward led by Bren gunner Private Bugg. His team hit a Japanese machine gun crew from just 30 yards away. He seized a toehold quickly upon Prothero 2. After some bitter fighting Prothero 2 had fallen into allied hands. Meanwhile to the south the 2/9th sent a patrol out on the 22nd who found pill-boxes at McCaughey’s knoll occupied with Japanese gunners. At 10:45am as allied artillery hit Prothero 2, Captain Taylor led a company of the 2/9th and assaulted McCaughers knoll. They were quickly pinned down, but by 1:15pm word reached them that Prothero 2 was captured and that the entire battalion was to push along Shaggy ridge. During that afternoon Taylor took his company to the western side of Shaggy ridge, getting ready for a new flanking maneuver against McCaughey’s knoll. The men fought their way up the knoll cleaning up pillbox one after another, capturing McCaugheys knoll by nightfall. It would cost them 8 men wounded. More than 100 dead Japanese were found over the Prothero-Shaggry ridge area when mop up crews did their work. Meanwhile 2/10th kept up the pressure in the east. On the 22nd A Company led by Lt Gunn seized a foothold on Faria Ridge and, prompting the enemy by late in the afternoon, to abandon Cam's Hill, which was occupied by the 2/10th by 5.20 p.m. During the night and early morning of january 23rd, two counter attacks were launched by the Japanese. At 2.40 the forward troops of A Company on the ridge were attacked from the south but the attack was repulsed with no casualties. After this the Australians moved down the track towards Kankeiri. Captain Haupt’s B Company of the 2/12th advanced down the track from Prothero 2. By 6pm they were atop the saddle around Crater Hill when they came across a Japanese gun position containing 150 rounds of 75mm ammunition. Half an hour later they ran into some resistance from slopes atop Crater Hill. They would pull back to the Kankeiri saddle to dig in for the night. The 2/10th then dispatch D company led by Captain Kumnick to advance along the Faria Ridge. They made it 1500 yards before running into a well entrenched position that held them down with machine gun fire. During the night however the Japanese abandoned their entrenchments for Cam Hill allowing the 2/10th to establish itself in a position roughy 1200 yards southeast of Crater Hill the next day. On the 24th, the 2/9th took over the responsibility for Shaggy Ridge up to Prothero 2 allowing the 2/12 to advance up Kankeiri. Small patrols from company B of the 2/12th reached the top of Crater Hill that day finding an enemy position on the southern slopes. On the 25th, the 2/12th and 2/10th probed enemy defenses on all sides of Crater Hill looking for decent approaches to attack. This led to several skirmishes, seeing both sides suffer casualties. One patrol led by Lt Coles of the 2/2nd pioneers, surveyed the Paipa mule track along the valley of the Mindjim, firing upon small bands of retreating Japanese. The Australians gradually converged to attack Crater Hill, but Matsumoto’s defenders put up a valiant effort to repel the assaults. On the 26, Brigadier Chilton ordered Companies C and D of the 2/9th and Companies C and B of the 2/12th to assault Crater Hill. This saw companies C and D of the 2/9th perform a outflanking maneuver to the north tip of the Mindjim valley to hit the enemy's right flank, while Companies C and B of the 2/12th held the enemy down. Captain A. Marshall's C company led off at 10.35 a.m, passing from Shaggy Ridge through Kankirei Saddle and then to the north, with Captain Taylor's D company following to provide flank protection. By midday Marshall reported that he had advanced some 600 yards and passed through several old and abandoned positions finding no enemy. Cautiously he pushed on, at 5 p.m. he reached the summit of 4100. The main enemy position was to the south between Marshall and the 2/10th and 2/12th Battalions. Leaving Taylor to occupy the summit of 4100 Marshall advanced south towards Crater Hill in an attempt to surprise the enemy from the rear . He met them about 300 yards south-east from the summit just at dusk. The leading platoon attacked along the usual razor-back but withdrew because of heavy machine-gun fire. At 7 p.m. Marshall sent Lieutenant White's platoon round the right flank but approach from this flank was also very difficult and White was killed. By the nighttime, they had successfully surrounded Matsumoto’s weakened defenders. Matsumoto’s defenders had established extremely formidable positions and had a large number of automatic weapons at their disposal. Matsumoto was ready alongside his men to make a final stand. Basically a siege of Crater Hill began and would only end after 5 brutal days. The first two days saw Chilton order the 2/9th take responsibility for the southern slopes of 4100 and Kankeiri saddle, while the 2/12th held Protheros and Shaggy ridge, and the 2/10th maintained pressure on the south-eastern slopes of Crater Hill. Skirmishes borke out everywhere, as the artillery smashed Crater Hill. Captain Whyte of the 2/4th field regiment fired 2000 shells, shattering trees, which unfortunately created more timber obstacles for the advancing Australians. At 9.30 a.m. on the 29th, 19 Kittyhawks dive-bombed Crater Hill, followed by ten minutes of artillery fire. At 1.30 p.m. the artillery laid down a barrage and machine-gun fire covered an assault on Crater Hill from the west by Captain Daunt's company of the 2/9th . The leading platoon attempted to rush the enemy position up a very steep and open slope but the Japanese, entrenched on a razor-back, were too strong and drove them back. The Australians also had the bad luck to be shelled by their own artillery. Each time they performed an assault, the stubborn Japanese held firm. Finally on the 30th with the help of some heavy rain Matsumoto decided to evacuate during the night. Matsumoto and the remnants of his force withdrew towards Yokopi and Kubenau valley. After dawn on the 31st, Australian patrols found Crater Hill abandoned and it was a horror show. They found a ghastly mess. At least 14 dead were found and evidence of burials alongside them. The 2/9th and 2/10th advanced occupying the hill on February 1st. With that, Shaggy Ridge and the Kankeiri saddle had finally fallen. Chilton sent out patrols to pursue the retreating Japanese and perform mop up operations. By February 6th his forces managed to seize Paipa and Amuson. The Australians had suffered 46 deaths, 147 wounded while the Japanese figures were estimated at around 500 casualties. Meanwhile, Brigadier Hammer had also carried out two operations during this time period. The first was a diversionary attack against the Spendlove Spur held by elements of the 5th company, 80th regiment. This was carried out by Captain Kennedy company of the 24th battalion, whom managed to surprise the Japanese and quickly seized Cameron’s Knoll. On January 30th, the 57/60th battalion led by Lt Colonel Robert Marston departed Ketoba and along another company led by Captain McIntosh assaulted Orgoruna, Kesa and Koba. The Australians would find Orgoruna and Kesa undefended.. Lt Marston ordered Major Barker 's 8 company to patrol Koba, and they would enter Koba on February 1st finding nothing, so they pushed on towards Mataloi 2 . There were signs of very recent occupation and, 200 yards along the track , they were ambushed. Barker brought heavy fire down upon the Japanese ambush position and managed to capture Koba that night. On the morning of the 3rd, about 400 yards east of Koba, Barker again struck a Japanese ambush position. They quickly outflanked the enemy who withdrew through Mataloi 2 towards Mataloi 1 . By the time Mataloi 2 was occupied at 6.30 p.m., there was not enough time to hit Mataloi 1 nor to allow adequate consolidation of Mataloi 2 before dark. At 9.30 p.m. the Japanese counter-attacked from the direction of Matalo 1, commencing the assault with a heavy mortar bombardment. As Mataloi 2 could be defended from three sides, Barker decided that he could hold the area best from high ground to the south which would also be out of range of the enemy mortars. Accordingly he ordered a withdrawal and departed with his headquarters and one platoon. Apparently the orders did not reach the other platoons who were encircled while the remainder of the company was withdrawing to Koba. Long-range enemy machine-gun fire was directed at Kesa at the same time as the counterattack developed at Mataloi 2. The 57th/60th pulled out concluding their little raid. Now Brigadier Hammer’s 15th were getting ready to pursue Matsumoto’s detachment who were fleeing to Kwato. But that is all we have for New Guinea, as were are moving back over to New Britain. Last time we were over in New Britain, the Americans had captured Hill 660, and were unleashing patrols to try and figure out where the Japanese were concentrating. Now they sought to secure the Borgan Bay-Itni river line. Meanwhile on the other side, General Matsuda’s battered men had begun a retreat heading east via the Aisalmipua-Kakumo trail towards Kopopo. They also received reinforcements in the form of the fresh 51st reconnaissance regiment who took up the job of rearguard. The Japanese knew the terrain better than their American counterparts, thus held distinct advantages. They knew good grounds to put up defenses and how long they could hold out in such places until they should retreat. The Americans did not enjoy good maps, they had to painstakingly explore where they went. They relied on native reports on where to go, but in the end they were like explorers jumping into jungles, atop mountains and a hell of a lot of swampy terrain. The rainforests could be so dense, patrols could be moving yards from another and not know it, imagine trying to find hypothetical objectives in such places? Thus an enormous amount of vital patrolling was performed, beginning on January 19th with Captain Ronald Slay’s men of L Company 1st…

    Full show notes at the publisher

    - 113 - Pacific War - The Battle for Shaggy Ridge , January 16-23, 1944 Jan 16, 2024
    Show notes

    Last time we spoke about the landing at Saidor and continuation of advances upon New Guinea and New Britain. Operation Michaelmas was a huge success, isolating countless Japanese and threatening those trying to retreat further north. Taking advantage of the new front on New Guinea, the Australians began pushing more so upon the features across Shaggy Ridge and towards Sio. General Adachi frantically shifted units around in an effort to plug up the multiple advancing allied units, but in the end there was little to be done as the Japanese were pushed further and further north. Features were taken upon Shaggy Ridge and Sio fell nearly uncontested. Over in New Britain, General Rupertus triumphed over the Airdrome and his Marines were expanding their perimeters. Katayama made a bold attack against an enemy he overestimated at it certainly did not pan out for his men at suicide creek. This episode is The battle for Shaggy Ridge Welcome to the Pacific War Podcast Week by Week, I am your dutiful host Craig Watson. But, before we start I want to also remind you this podcast is only made possible through the efforts of Kings and Generals over at Youtube. Perhaps you want to learn more about world war two? Kings and Generals have an assortment of episodes on world war two and much more so go give them a look over on Youtube. So please subscribe to Kings and Generals over at Youtube and to continue helping us produce this content please check out www.patreon.com/kingsandgenerals. If you are still hungry for some more history related content, over on my channel, the Pacific War Channel you can find a few videos all the way from the Opium Wars of the 1800’s until the end of the Pacific War in 1945. A while back I covered the start of the Chinese-Indian offensive into the Hukawng Valley and Arakan regions. When I did so it was almost entirely from the allied viewpoint, but what of the IJA war planners? The Burma campaign has been arguably a complete disaster for the allies, the Japanese steamrolled all the way through, claiming vast amounts of territory and key cities and ports, so what really did they need to do but garrison it all? After Wingate unleashed operation Longcloth, the relatively idle Japanese raised the idea of potentially attacking India. Lt General Mutaguchi Renya, the victor of the Singapore campaign in 1942 was made a commander in Burma and wargamed the possibility of attacking India to try and earn support from his superiors at Tokyo General HQ. It was his belief, they could brush past the British in Assam and reach the gateway into India, and he expected the Indians to rise up and greet them with open arms. A lot of money and effort had been spent on Subhas Chandra Bose and his Indian National Army. The fall of India would be an absolutely devastating blow to the British Empire in Asia and in 1942 there was even the belief the Japanese could link up with their German allies in the middle east. But that was 1942, before Stalingrad and Kursk, 1944 was a very very different geopolitical situation. This however did not stop Mutaguchi from continuing his plans to invade India. Lt General Hanaya Tadashi, commanding the Arakan front was given the task of convincing the British that the counterattack in Arakan was the appearance of the main army earmarked to conquer India, thus leading General Slim to send up reserves from Imphal. The operation was codenamed HA-GO and it was intended to be a fent to mask the real attack upon Imphal designated Operation U-GO. Now let me dig a bit deeper into how this all came about. Until now, General Stilwell had been able to build much of the Ledo Road practically unmolested. Yet by early August, General Kawabe Mazakazu’s Burma Area Army was preparing for a counter offensive. Kawabe actually did not trust Mutaguchi and suspected the man was harboring megalomaniac designs to invade India, which he was 100% right about. The “counter offensive” was really just the beginnings of Operation U-GO and it had been sold to Tokyo HQ as a pre-emptive strike to disable the 14th Army and make it unable to invade Burma. Thus General Mutaguchi’s 15th Army was given the task of destroying any hostile elements in the Imphal region and to establish a strong defensive line. From December 22nd to the 26th, Mutaguchi held a conference pushing for the possibility of launching Operation U-GO and developed detailed missions for each division which would participate by means of a war game. At the same time Kawabe sold the operation HA-GO the diversionary attack in Arakan, with Lt General Hanaya Tadashi’s 55th Division earmarked to pin down as many of the enemy’s units as possible and to draw the British reserves away from the main offensive. When General Christisons offensive kicked off, this forced Kawabe to reinforce Hanaya with the 54th division, and this in turn established the 29th Army under the command of General Sakurai on January 6th. The 29th Army was under the overall command of the Burma Area Army, and its HQ was initially situated in Moulmein. It was assigned to defend the coastal region of Arakan and the lower Irrawaddy valley and consisted at first of the 55th Division in Arakan, the 54th Division in reserve in Prome, and various garrison units including the 24th Independent Mixed Brigade in Moulmein. It also controlled the 11th Shipping Detachment of Major-General Suzuki Gisaburo, consisting of the 11th Shipping Engineer Regiment and the 3rd Sea Transport Battalion. It had roughly 1,105 men, 85 large landing barges, 54 small landing barges, 47 motored sampans, two armored boats, 10 fishing boats, one messenger boat and one speed boat. The 11th Shipping Detachment was stationed at Taungup and its main supply depot was at Prome. Meanwhile after the capture of Maungdaw, the 5th Indian division of Major General Harold Briggs was ordered to attack the main Japanese defenses at Razabil. Razabil’s defenses were quite formidable, it dominating the crossroads and road linking Maungdaw with the Tunnels and Buthidaung located 3 miles eastwards, forming the 15th Indian Corps immediate objective following Maungdaw's capture. It was dubbed by its Japanese commander “The Golden Fortress of the Mayu Range”. It was centered on the railway tunnels running through the Mayu Range and at Point 551 to the east with a further forward position at Point 1301. These powerful defenses, built carefully exploiting the rugged mountainous terrain, were tunneled deep into the hills and consisted of bunkers, trenches and other fire positions located amidst dense jungle and camouflaged with customary Japanese skill. The main outworks at Letwedet to the east and at Razabil to the west of the Mayu Range were major fortresses in their own right, requiring careful reduction before the main position could be tackled. With both bastions in direct line of sight from the Tunnels, accurate supporting artillery could be called down with ease, moreover, adding to the problems already facing troops assaulting trenches and bunkers dug into the hillsides invulnerable to all but direct hits by medium artillery. The offensive against Razabil was codenamed Operation Jonathan, but it would be delayed until the corps artillery became available. At the same time the 7th Indian division seized the initiative on January 18th and launched an attack against the 55th division’s position between Letwedet and Htindaw. The 9th company, 143rd infantry regiment was defending a hill east of Htindaw and stood their ground against repeated attacks until January 24th. The Japanese strongpoints were well dug in on the tops of narrow ridges. On January 26th, Major General Briggs ordered the 161st brigade, with support in the form of Lee-Grant tanks, artillery and aerial bombardment to attack the Tortoise defended by 1st battalion, 143rd regiment in the Razabil area. The Tortoise was a horseshoe defensive position that dominated the highway. It was an elaborate system of bunkers, trenches and all the typical Japanese goodies. For the boys in Burma it would be the first time for most to face such a thing, as Slim wrote in his memories “This was the first time we had assaulted an elaborate, carefully prepared position that the Japanese meant to hold to the last." The attack opened up with 12 Vultee Vengeance dive bombers of the 3rd Tactical air force, 12 Mitchell medium bombers and 16 Liberator heavy bombers of the Strategic air force followed up by even more dive bombers. It was a visually spectacular event and to those observing from the ground looked devastating. However little to no damage was inflicted on the strongly constructed Japanese defenses burrowed so deeply into the hillsides. Similarly the mountain artillery regiment and batter from a field regiment did little damage with their bombardment as well. The Japanese had simply pulled back 1000 yards during the bombardments and by the time the allies surged forward came back to man their positions. When the Indians began their assault, the fire coming down the steep and jungle clad hillsides was absolutely devastating. The Lee-Grant tanks fired from the valley floor and managed to destroy all the identified bunkers, but the exposed Indian troops suffered massive casualties. It was virtually impossible to keep the defenders heads down long enough to advance even 50 yards towards the summit. Things got even worse when the men reached the defensive lines for the Lee-Grant tanks had to lift their fire lest they hit their own men. By the end of the day, only a toehold had been secured over the lower slopes of Razabil ridge. The assault carried on for 3 more days, with intense tank and artillery fire from different directions supporting the infantry as closely as possible. The only immediate effect of the bombardment and indirect fire by 25 pounders and 3.7 howitzers was to destroy the vegetation over the hillsides, thus exposing more and more of the Japanese defensive works. During the intense battle, the Lee-Grant medium tank proved itself a real solution in providing effective covering fire for infantry and soon new techniques were evolving. The Japanese defenses were mainly built over the summit of steep, thick, jungle covered hills and the Lee-Grants provided fire support from positions in the paddy fields below them. Their 75mm guns effectively destroyed or at the least neutralized bunker positions. A procedure was quickly developed for providing cover during the last stages of infantry assaults. Tanks would use high explosive shells to clear the vegetation, than delayed action high explosive shells to break up the front of visible bunkers, then armor piercing shells to enable the infantry to advance close behind the creeping barrage as shrapnel was not flying everywhere. All combined this showed the potential of armor vehicles in jungle warfare, when most claimed they had little practical use in such climats. Despite such developments, the casualties were mounting, little progress was being made. On January 28th, the 123rd brigade attacked Japanese positions on the secondary hill of Wrencat and its smaller neighbor hill Wrenkitten, probably the best hill names I have read on this podcast as of yet haha. These were located on the lower western foothills of the Mayu range. They were extremely steep, cone shaped features with fortified circular trenches around their heads, bunkers, and bamboo jungle. Firing from positions on the valley floor the Lee-Grants and 5.5 inch artillery were able to destroy the bunkers and switch to armor piercing rounds to perform creeping barrages for the infantry. Despite the tank and artillery support, the Japanese were throwing a ton of mortar, grenade and machine gun fire. An officer of the 123rd brigade involved in the fight had this to say 'It appears from our experience that consolidation on the objective which normally consists of a series of deeply constructed bunkers connected one with the other is extremely difficult in the very limited time that the enemy allow.' The failures against the Tortoise and Wrencat, prompted General Christison to call off the attack against Razabil by January30th. Christison regrouped his corps artillery and tanks to instead support the 7th divisions assault against Buthidaung and Letwedet. Meanwhile further to the north, General Tanaka had brought 6300 men of the 55th and 56th regiments to the Hukawng valley by early January. He wanted to counterattack in strength, but General Mutaguchi believed he could not spare additional motor transport units to give the necessary logistical support to the 18th division since preparations were already going on for operation U-GO. Thus, Tanaka ordered his men to perform a delaying action down the Hukawng valley with the primary objective of holding Kamaing, the ridge line separating Hukawng valley from Mogaung valley. Tanaka weighed his orders and the looming monsoon season that hit the area in May or June. Against Tanaka, Stilwell sought to continue his offensive after successfully taking Yupbang Ga. Stilwell now looked towards Taihpa Ga and convinced both General Wingate and Admiral Mountbatten to unleash the Galahad long penetration unit into the Hukawng valley. On January 4, 1944, Frank Merrill abruptly relieved a disappointed Brink. Despite having a background with cavalry, like Brink, Merrill understood the Japanese strength, but unlike Brink he respected the chain of command. General Sun met with Stilwell and and it was agreed the bulk of the 114th regiment should swing widely around Tanaka’s left flank while the 113th regiment wheeled to the south to hit Tanaka’s front along the Tanai Hka. Further north the 2nd battalion ,112th regiment would also advance east across the Tarung Hka to secure Warang Ga; the 65th regiment would continue their advance towards Taro, fording the Tanai river by January 9th; south of Kantau, the 3rd battalion, 114th regiment ran into two Japanese companies. The jungle made it difficult for the Chinese forces to organize themselves. The battalion split into 4 fragments and no two of them were in contact. The supporting 6th battery could not fire until fields of fire were cut and while that was being carried out, the Japanese companies performed infiltration maneuvers and quickly surrounded the battery. Fighting for their guns and lives between the 9th and 11th of January the Chinese cannoneers managed to save both. The battalion was nearly wiped out from these Japanese tactics, but thankfully on January 12th, the regimental HQ arrived and reformed the battalion to launch a concerted attack that managed to gradually push back the Japanese. 3 days later the 2nd battalion arrived allowing the 114th regiment to force a crossing of the Sanip Hka by January 16th. Meanwhile the 1st battalion, 113th regiment forded the Tarung river near Yupbang Ga and sent patrols north to occupy Tabawng GA on January 13th. From there they advanced southeast to Kaduja Ga then to Brangbram Hka where they formed a line extending to the junction with the Tanai bank by mid january. On January 21st, the Chinese broke through the Japanese lines north of Brangbram Hka and made it to Ningru Ha less than one mile downstream from Taihpa Ga. Simultaneously, the battered 112th regiment swung wide going north east to Warang Ga. By the end of January the 113th continued their advance upon Taihpa Ga where they would meet stronger Japanese resistance. They began fighting within 1,500 yards of Taihpa Ga. Artillery support, the 4th and 5th Batteries, was then brought up. The next 1,000 yards between the 113th regiment and Taihpa Ga took two days to cross; then they spent a week in what was called "preparations for attack." General Sun's men were now approaching the Japanese strongpoint in the area, and Japanese resistance was more freely offered, with heavy shelling by 75- and 150-mm. pieces. At Taihpa Ga, the Kamaing Road crossed the Tanai on a long grav…

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