Close combat optic
U.S. Army recruit Madison Elam, 19, of Vandalia, Ohio, peers through the close combat optic scope on her M16 as she covers her battle buddy as they move through the grenade qualification course during basic training at Fort Jackson, S.C., June 13, 2015. Upon graduating basic training Elam will move on to become a motor transport operator. (U.S. Army photo by Sgt. Ken Scar)