INCIRLIK AIR BASE, Turkey – U.S. Air Force military working dog Buck, assigned to the 39th Security Forces Squadron, prepares with his handler for a controlled aggression tactic demonstration at Incirlik Air Base, Turkey, June 8, 2018. Buck’s duties include patrol, drug detection and explosive detection to safeguard military bases and activities. (U.S. Air Force photo by Senior Airman Kirby Turbak)