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. Johny is looking down as he approaches the end of the pipe and prepares to exit. Greg L. Davis

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Photo credit: © Z2A1 / Alamy / Afripics
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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