Staff Sgt. Matthew McCarty, 75th Security Forces Squadron, works with Xxuthus during imprint training Oct. 5 at Hill Air Force Base. Airmen and their K-9 counterparts, along with dog teams from local, state and federal law enforcement agencies, received homemade explosives detection training from Bureau of Alcohol, Tobacco, Firearms and Explosives agents Oct. 5-6. (U.S. Air Force photo by R. Nial Bradshaw)