U.S. Army 3rd Military Police Detachment military working dog handlers look on as Uunion, 3rd MPD military working dog, practices bite building training at Joint Base Langley-Eustis, Va., July 25, 2017. The detachment brought in a Florida-based agency which trains police and military working dogs all over the world. (U.S. Air Force photo/Airman 1st Class Kaylee Dubois)