Ammo: Building bombs, winning wars
U.S. Air Force Staff Sgts. Arryn Meneese, top left, Michael Maley, center, and Jason Peay, left, all conventional munitions maintenance crew chiefs, install the fin to the Guided Bomb Unit-28 on May 22, 2013. The GBU-28 is a 5,000 pound laser-guided conventional munition. (U.S. Air Force photo by Staff Sgt. Timothy Boyer)