Ruth, 455th Expeditionary Security Forces Group Military Working Dog, takes a break from her obstacle course training at Bagram Airfield, Afghanistan, April 28, 2013. The course provides obstacles at different heights to provide realistic scenarios MWDs can expect while on patrol. Senior Airman Chris Willis

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Photo credit: © Z2A1 / Alamy / Afripics
License: Licensed
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Keywords: .., 455, 455th, ae, aew, affairs, afghanistan, air, airfield, airmen, apo, bagram, defense, expeditionary, force, military, pa, public, united, war, wing