U.S. Army National Guard soldiers assigned to the 1st Battalion, 169th Aviation Regiment, Fort Bragg, N.C., prepare to shoot M240 machine guns during training at Poinsett Electronic Combat Range, Sumter, S.C., Feb. 6, 2015. The 12,500 acre range is used for munitions training by all military services. (U.S. Air Force photo by Airman 1st Class Diana M. Cossaboom/Released)