U.S. Air Force Tech. Sgt. Charles Shewmaker, 633rd Civil Engineer Squadron Explosive Ordnance Disposal team lead, approaches a simulated explosive device at Langley Air Force Base, Va., Oct. 14, 2015. U.S. Air Force EOD technicians are trained to detect, identify, render safe, recover and dispose of hazardous explosives and ordnances. (U.S. Air Force photo by Senior Airman Kimberly Nagle/Released)