Quinton Stafford, Aegis explosives canine handler, walks Tor, explosives detection dog, through a detection course as part of a week-long explosive detection certification course at Fort Eustis, Va., Aug. 31, 2015. The 3rd Military Police Detachment hosted the course to ensure the contracted handlers and canines met military detection standards. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)