Sgt. Jason Dingler, a military working dog handler with the 95th Military Police Detachment (MWD) at Joint Base Lewis-McChord, Wash., poses with his military working dog, Greco. Greco has been a military working dog for eight years, and Dingler has been his handler for the last four.

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Keywords: #-9, #militaryworkingdog, #mwd, #nationalk-9veteransday, #veteran