Cuervo, a military working dog, bites the arm of Staff Sgt. Nicholas Lewis, a MWD handler with the 436th Security Forces Squadron July 30, 2013, at Dover Air Force Base, Del. Cuervo, a Belgian Malinois, was one of three MWDs used in a training demonstration for The News Journal. (U.S. Air Force photo/Roland Balik)
Roland Balik
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