Using the MV-22 Osprey, infantry Marines rapidly inserted into the Jungle Warfare Training Center, Okinawa, Japan, Oct. 31, 2015, in a massive, regimental air assault during Blue Chromite 2016, which builds cohesion among elements of the Marines Air Ground Task Force. Blue Chromite is a large-scale, cost-effective on-island exercise led by 4th Marine regiment. The Marines, from Alpha Company, 1st Battalion, 2nd Marine Regiment, 4th Marine Regiment, are currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. (U.S. Marine Corps Video by Cpl. Andrew Tech, Pfc. Jorge A. Rosales/Released)