U.S. Army Spc. Jack Luff, a Winter Garden, Fla., native

U.S. Army Spc. Jack Luff, a Winter Garden, Fla., native and an infantryman with 3rd Battalion, 7th Infantry Regiment, 4th Infantry Brigade Combat Team, 3rd Infantry Division, keeps watch for potential security threats, Sept. 21, 2013, in Logar Province, Afghanistan, while members of his platoon deliver school supplies to Afghan students. (U.S. Army photo by Staff Sgt. Elvis Umanzor, 4th IBCT, 3rd Inf. Div., Public Affairs)