U.S. Air Force Staff Sgt. Paul Greengus, a 354th Security Forces Squadron military working dog handler, comforts Ooger, a 354th SFS military working dog, before going into a dental cleaning at the Veterinarian Treatment Facility on Fort Wainwright, Alaska, Dec. 19, 2014. Ooger wears a muzzle during most of his check-ups to ensure safety for everyone involved. (U.S. Air Force photo by Staff Sgt. Joshua Turner/Released)
Staff Sgt. Joshua Turner
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