Bruce, a military working dog, at the Department of Defense Military Working Dog Veterinary Service, walks on a treadmill underwater while recovering from an injury on Joint Base San Antonio-Lackland Jan. 26, 2016. The underwater treadmill is a new way in which MWDs needing physical therapy and rehabilitation can walk and exercise to improve their overall health. ( Air Force photo by Senior Airman Colville R. McFee/Released)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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