From the leash down
Senior Master Sgt. Edward Keenan, 455th Expeditionary Security Forces Group operations superintendent, and Military Working Dog Ruth perform controlled aggression training at Bagram Airfield, Afghanistan, April 28, 2013. Controlled aggression training creates scenarios in which the MWD team responds to a suspect or unidentified individual. (U.S. Air Force photo/Senior Airman Chris Willis)

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