Disposal by controlled detonation
Senior Airmen Jonathan Sheridan (from left) and Aaron Carroll and Staff Sgt. Valerie Sharpe prepare C-4 explosives Aug. 10 at Ali Air Base, Iraq, for a controlled detonation of confiscated weapons. The Airmen are assigned to the 407th Civil Engineer Squadron's explosive ordnance disposal team. The team disposes of confiscated weapons and unexploded ordnance and trains convoy people to recognize improvised explosive devices. (U.S. Air Force photo/Master Sgt. Robert Valenca)