Straight on medium shot of US Marine Cannoneer from Lima Company, 3rd Battalion, 12th Marines, from Camp Hansen, Okinawa, Japan, fire the M198 155mm Howitzer during training exercises at the Artillery Relocation Shoot at Ojojihara, Japan. Also seen is a right side front view of a M923A1 (6X6) 5-ton cargo truck that is backed up the Howitzer