"Johny", 436th Security Forces military working dog, is shown crouched down while running through a swinging pipe while on the 436th Security Forces Squadron's obedience course Sept. 15, 2014, at Dover Air Force Base, Del. The dog is looking down as he approaches the end of the pipe and will exit. Obedience to the handler is taught and reinforced on the course using obstacles such as this. (U.S. Air Force photo/Greg L. Davis)
"Johny", 436th Security Forces Squadron military working dog, looks toward his handler Sept. 15, 2014, at Dover Air Force Base, Del. Simple obedience tasks are built upon to allow the dogs to perform at a high level over time. The 436th SFS is part of the 436th Airlift Wing with a world-wide mission deployable mission which often requires military working dogs. (U.S. Air Force photo/Greg L. Davis)
Elements of the American flag are shown painted across the outline of a canine paw-print adorning the wall inside the 436th Security Forces Squadron, military working dog section, Sept. 17, 2014, at Dover Air Force Base, Del. The large emblem can be seen from the personnel's duty desks and was hand-painted by a former dog handler. (U.S. Air Force photo/Greg L. Davis)
"Cuervo", 436th Security Forces Squadron military working dog, sticks his head out from the back seat of a sedan as Staff Sgt. Craig Eveland, 436 SFS military working dog handler, conducts a patrol along Perimeter Road Sept. 17, 2014, at Dover Air Force Base, Del. "Cuervo" is trained to detect explosives and drugs as well as subduing and detaining subjects, if necessary. (U.S. Air Force photo/Greg L. Davis)
"Johny,", 436th Security Forces Squadron military working dog, looks sideways to re-establish contact with his handler, Senior Airman Ashley Beattie, (not visible) as he prepares to exit a swinging pipe on the unit's obedience course Sept. 15, 2014, at Dover Air Force Base, Del. The dogs move quickly through the pipe from a semi-crouched position upon the command of the handler while doing the obedience and training course here. (U.S. Air Force photo/Greg L. Davis)
A leather muzzle hangs within an arm's reach of "Karlo's" kennel gate inside the 436th Security Forces Squadron, military working dog section Sept. 17, 2014, at Dover Air Force Base, Del. Muzzles are used for the safety of the dogs and handlers. (U.S. Air Force photo/Greg L. Davis)
"Johny", 436th Security Forces Squadron military working dog, runs across a bridge as part of an obedience exercise Sept. 15, 2014, at Dover Air Force Base, Del. Military working dogs exercise and train frequently so they are ready to perform when called upon. (U.S. Air Force photo/Greg L. Davis)
Senior Airman Ashley Beattie, 436th SFS military working dog handler, tugs on a toy held firmly in the jaws of her dog, "Johny",as they take a break from training on the obedience course Sept. 15, 2014, at Dover Air Force Base, Del. Work and play time on the course give the dogs the ability to exercise and release stress during the day. (U.S. Air Force photo/Greg L. Davis)