Machine Gunner A U.S. Marine provides security while manning a M240B medium machine gun in the Jungle Warfare Training Area, Okinawa, Japan, Oct. 31, 2015, as part of a regimental air assault during Blue Chromite 2016. U.S. Marine Corps photo by Cpl. Drew Tech SHARE: Download: Full Size (0.84 MB) Tags: U.S. Marines, Camp Hansen, Drew Tech, MV-22B Osprey, Japan, Photo Essays, Blue Chromite, Okinawa, All images Credit: Cpl. Drew Tech VIRIN: 151031-M-GX711-171.JPG Photo Gallery