Cadet Alexander Gottzmann controls a robot during a Reserve Officers' Training Corps tour at the 11th Civil Engineer Squadron explosive ordnance disposal facility at Joint Base Andrews, Md., March 16, 2015. Robotics allow EOD technicians to safely and efficiently dispose of munitions that were once too dangerous or inaccessible. (U.S. Air Force photo/Staff Sgt. Chad C. Strohmeyer/Released)