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Associated Press
This 2012 publicity photo provided by Animal Planet shows a soldier and military working dog, in Afghanistan. Animal Planet embedded four camera crews with front line troops for six weeks to create a television special called "Glory Hounds," where each crew was assigned to a handler and his dog and the show set out to prove that dogs were more than military "tools." “Glory Hounds" airs Thursday, Feb. 21, 2013 at 8 p.m. ET/PT and repeats on Feb. 24 at 9 a.m. ET/PT. (AP Photo/Animal Planet)

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