Double Threat: Detection MWD earns Patrol Certification Published Aug. 23, 2017 By Senior Airman Mozer O. Da Cunha 2nd Bomb Wing Public Affairs BARKSDALE AIR FORCE BASE, La. -- Hector, a 2nd Security Forces Squadron military working dog, prepares to begin a bite drill during a patrol dog certification evaluation at Barksdale Air Force Base, La., Aug. 11, 2017. Hector completed basic obedience tasks, an obstacle course, aggression drills and gunfire and scouting and building search tasks. (U.S. Air Force photo/Senior Airman Mozer O. Da Cunha)