Staff Sgt. Tim Glover cleans the kennel of his Military Working Dog Roko July 28, 2014, on Minot Air Force Base, N.D. After watching MWD handlers work at his last base, Glover decided he wanted to specialize and applied to become one. Glover is a 5th Security Forces Squadron MWD handler. (U.S. Air Force photo/Senior Airman Stephanie Morris)