U.S. Air Force Tech. Sgts. Holly Guerra and Juan Camacho, inspect an M904 nose fuse on an inert 500 pound general purpose bomb during weapons load crew training on Aug. 3, 2014, Barksdale Air Force Base, La. Crews are required to participate in the training to acquire or maintain certification for loading live munitions on the aircraft. (U.S. Air Force photo by Tech. Sgt. Ted Daigle/Released)