U.S. Airmen assigned to the 375th Security Forces Squadron place the U.S. flag over Brix, a retired Navy military working dog, at Scott Air Force Base, Ill., July 18, 2014. Brix was euthanized due to health issues. He earned the Navy and Marine Corps Achievement Medal and the Army Commendation Medal while deployed to Iraq. (U.S Air Force photo by Senior Airman Tristin English/Released)