Man's best friend trains for base security
Staff Sgt. Zachary Parris, 31st Security Forces Squadron military working dog handler, restrains Dox, 31st SFS MWD, during bite training, Aug. 28, 2013, at Aviano Air Base, Italy. Training a MWD for patrol is done through bite training, identifying threats or having the dog alert the handler in the presence of danger. (U.S. Air Force photo/Airman Ryan Conroy)