Camp Atterbury, Ind. - Pfc. Robert Perez, a field radio operator with Weapons Company, 2nd Battalion, 24th Marine Regiment, 4th Marine Division, double checks coordinates in a call-for-fire mission directed toward a mortar platoon as part of their Reserve forces drill period training, March 15, 2014, at a firing range on Camp Atterbury Joint Maneuver Center. After receiving the coordinates, Perez relayed the information to fire direction center Marines to locate the target. Then the FDC Marines shouted out the target coordinates to the mortar teams. (Marine Corps photo by Cpl. J. Gage Karwick/released)