Training for convoy operations
Tech. Sgts. Rogelio Ponce, Joseph Ilsley and Christopher Hann maintain a 360-degree security perimeter around an explosive ordnance disposal team's detonation site June 13 outside of Bagram Air Base, Afghanistan. The sergeants, with the 455th Expeditionary Security Forces Squadron, are deployed from Vandenberg Air Force Base, Calif. (U.S. Air Force photo/Staff Sgt. Craig Seals)