Beale EOD training
Staff Sgt. Daniel Johnsen, 9th Civil Engineer Squadron explosive ordnance disposal technician, uses a knife to form a block of C4 explosive during a training scenario at the EOD range on Beale Air Force Base, Calif., Dec. 19, 2012. EOD Airmen train with different types of explosives to simulate what they may encounter in the field. (U.S. Air Force photo by Staff Sgt. Robert M. Trujillo/Released)