20th SFS honors retiring MWDs
U.S. Air Force Staff Sgt. David Mussio, 20th Security Forces Squadron (SFS) military working dog (MWD) trainer, stands with MWD Marky in a deployed location, circa 2015. Marky, now a Purple Heart recipient, was trained as a patrol explosive detector and deployed six times. (Courtesy photo)

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Photo by: Courtesy photo |  VIRIN: 180319-F-ZZ111-1001.JPG