Chief Master Sgt. Steve McDonald (left), Air Combat Command command chief, Airman 1st Class Adam Wasson (middle) and Senior Airman Domenic Martino, 4th Civil Engineer Squadron explosive ordnance disposal technicians, watch a video of an explosion, Nov. 13, 2015, at Seymour Johnson Air Force Base, North Carolina. McDonald detonated an explosive device at the EOD range during a unit immersion. (U.S. Air Force photo/Senior Airman Aaron J. Jenne)