Military working dog Boss, assigned to the 56th Security Forces Squadron, poses for a portrait Feb. 5, 2020, at Luke Air Force Base, Ariz. Boss and his handler train daily on obstacle courses and more to maintain readiness for emergency situations. MWD’s and their handlers protect more than 7,000 personnel at Luke and assist local law enforcement in keeping the public safe. (U.S. Air Force photo by Airman 1st Class Brooke Moeder)