Marches prepare dogs, handlers for worldwide mission
Staff Sgt. Bryan Bowermaster, 9th Security Forces Squadron military working dog handler, walks with his dog, Edy, during a ruck march on Beale AFB Jan. 9, 2012. Each Airman dons a full combat ensemble, a simulated weapon and a backpack weighing upwards of 70 pounds. (U.S Air Force photo by Senior Airman Shawn Nickel/Released)

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Photo by: Senior Airman Shawn NickelReleased |  VIRIN: 120109-F-FT438-284.JPG