Cody Morris, Explosive Countermeasures International explosives canine handler, walks Orion, explosives detection dog, to a detection training site at Fort Eustis, Va., Aug. 31, 2015. The canines and handlers went through several detection sites where they were trained to find simulated explosive threats during a week-long certification course. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)