U.S. Air Force Airman 1st Class Clifton McGowan, an explosive ordnance disposal apprentice from 1st Special Operations Civil Engineer Squadron, triggers a controlled detonation at the range on Hurlburt Field, Fla., Sept. 27, 2011. Disposing of unserviceable, excess or dangerous ordnances, is the duty and responsibility of an EOD Airman. (U.S. Air Force photo/Airman Gustavo Castillo)(Released)