Military working dog trains hard
Cezar "attacks" Staff Sgt. Brian Aponte during a training session on May 10, 2006. Sergeant Aponte is a dog handler with the 305th Security Forces Squadron at McGuire Air Force Base, N.J. Cezar is a four-year-old military working dog specializing in explosive detection and patrol. (U.S. Air Force photo/Kenn Mann)