Man's Best Friend
U.S. Air Force Staff Sgt. Devin Tiger, 23d Security Forces Squadron Military Working Dog handler, pets retired MWD Hal, at a dog run at Moody Air Force Base, Ga., March 28, 2014. Tiger adopted Hal after he was retired from service due to Lumbosacral (LS) disease, the fusing of the tailbone and spine. (U.S. Air Force photo by Senior Airman Tiffany M. Grigg/Released)