DEFENSIVE POSITION U.S. Army Sgt. Kyle Black sets up a defensive position while directing vehicles in his resupply convoy during combat training on Fort Stewart, Ga., Sept. 22, 2013. Black is a convoy commander with Company C, 2nd Battalion, 121st Infantry Regiment. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 136566-F-LYE74-653.jpg Photo Gallery