A Central Washington University Air Force ROTC student gets bitten by a military working dog during a base wide tour April 17, 2015, at Fairchild Air Force Base, Wash. Military working dogs are trained to bite into the suspect and hold them until the handler takes control. The tour consisted of 39 Air Force ROTC students and two instructors from CWU. (U.S. Air Force photo/Senior Airman Janelle Patiño)