The U.S. Army at Fort Carson, Colo. , released this photo on Sept. 14, 2009, of Sgt. 1st Class Duane A. Thornsbury, 30, of Bridgeport, W. Va. , who died Sept. 12 in Baghdad, Iraq, of injuries sustained during a vehicle roll-over. He was assigned to the 2nd Battalion, 10th Special Forces Group, Fort Carson, Colo. The circumstances surrounding the incident are under investigation.