Staff Sgt. Laura Felts performs a search of a decoy Sept. 19 at a deployed location in Southwest Asia. Sergeant Felts is a 386th Expeditionary Security Forces Squadron military working dog handler. Bert, a 386th ESFS military working dog, sits in an overwatch position, substituting for a human partner. Military working dogs are trained to respond to a hostile threat to either themselves or their partner, with or without a command. (U.S. Air Force photo/Staff Sgt. Tia Schroeder)