Machine Gun Test Marines prepare to test fire and calibrate an M2 .50-caliber Browning machine gun during training at Camp Schwab, Okinawa, Japan, June 1, 2017. Marine Corps photo by Staff Sgt. T. T. Parish SHARE IMAGE: Download Image: Full Size (1.31 MB) Tags: Pacific Command, training, PACOM, MARINE CORPS, MARINES Photo By: Staff Sgt. T. T. Parish VIRIN: 170601-M-PJ332-159A.JPG Photo Gallery