Grrrrrrr!
Tech. Sgt. Marcus King trains Endy, a military working dog, to attack certain areas of the body during a takedown June 9, 2011, at Altus Air Force Base, Okla. Sergeant King is a military working dog kennel master assigned to the 97th Security Forces Squadron. (U.S. Air Force photo/Airman 1st Class Myles Stepp)