K-9's at work
Military working dog, Renato, runs through a tunnel under the instruction of U.S. Air Force Tech. Sgt. Sean Schwartz, 379th Security Forces Squadron K-9 handler at Al Udeid Air Base, Qatar, Sept. 24, 2014. Military working dogs continuously train even in deployed locations, to maintain standards with all their movements. (U.S. Air Force photo by Senior Airman Colin Cates)