U.S. Marines fire the M777A2 155mm howitzer April 17

U.S. Marines fire the M777A2 155mm howitzer April 17 in support of a combined arms live-fire exercise at Rodriguez Live-Fire Complex during Korean Marine Exchange Program 13-5, part of Ssang Yong 13. The CALFEX illustrates how the annual exercise Ssang Yong supports ongoing efforts to strengthen combat readiness in both U.S. and ROK forces. The Marines are with Alpha Battery, 1st Battalion, 12th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force. The battery is attached to 3rd Marine Regiment, 3rd MarDiv, III MEF, and are currently deployed to Okinawa under the Unit Deployment Program. (U.S. Marine Corps photo by Lance Cpl. Jose D. Lujano/Released)