Marines with Battery D, 2nd Battalion, 14th Marines Regiment, 4th Marine Division, Marine Forces Reserve prepare to conduct exercises with High Mobility Artillery Rocket Systems during their unit annual training at Dugway Proving Grounds, Utah, June 12, 2017. Throughout the days, the Marines participated in multiple operations and evaluated qualification exercises to include; machine guns, grenades and rifle ranges, live fire and night convoy operations, battery movement in small arms ranges and artillery operations. (U.S. Marines Corps photo by Sgt. Ian Ferro)

Marines with Battery D, 2nd Battalion, 14th Marine Regiment, 4th Marine Division participated in their live fire annual training at Dugway Proving Grounds, Utah, June 10-14, 2017.

Marines with Battery D, 2nd Battalion, 14th Marines Regiment, 4th Marine Division, Marine Forces Reserve prepare to conduct exercises with High Mobility Artillery Rocket Systems during their unit annual training at Dugway Proving Grounds, Utah, June 12, 2017. Throughout the days, the Marines participated in multiple operations and evaluated qualification exercises to include; machine guns, grenades and rifle ranges, live fire and night convoy operations, battery movement in small arms ranges and artillery operations. (U.S. Marines Corps photo by Sgt. Ian Ferro)