Airman 1st Class Joshua Hill, 31st Civil Engineer Squadron explosive ordnance disposal apprentice, uses a percussionn-actuated neutralizer, a device that helps disable improvised explosives, May 9, 2013, at Aviano Air Base, Italy. Hill is responsible for establishing, operating and maintaining explosive proficiency ranges and identifying, removing and disposing of ordnances. (U.S. Air Force photo/Airman 1st Class Briana Jones)