090515-F- JV248-164
A military working dog is called upon to attack his handler on the training grounds of Lackland AFB, San Antonio, Texas May 19, 2009. Military working dogs are enrolled in a 60 to 90 day training program where they are taught to detect explosives and drugs. They are also taught deterrence training and how to protect their handler. (U.S. Air Force photo by Staff Sgt. Chris Griffin)(Released)