Military working dog Johny crouches down while running through a swinging pipe Sept. 15, 2014, at the 436th Security Forces Squadron's obedience course on Dover Air Force Base, Del. Greg L. Davis

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Photo credit: © Z2A1 / Alamy / Afripics
License: Licensed
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Keywords: .., 2014, 436th, afb, air, airlift, defense, del., delaware, dog, dover, force, forces, military, section, security, squadron, united, usa, usaf, war, wing, working