Staff Sgt. Derek Keener prepares a 105mm rocket to be fired. U.S. Air Force Staff Sgt. Derek Keener prepares a 105mm rocket to be fired at a weapons cache at the East River Range near Bagram Airfield, Afghanistan, on Dec. 2, 2004. Members of the Air Force's 455th Explosive ordnance Group set C-4 charges on the cache in order to destroy it. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 694122-A-QPJ42-363.jpg Photo Gallery