Tech. Sgt. Duane Blackmon, a member of Buckley’s Security Forces Guardian Challenge team, warms his hands during the endurance portion of the 2008 Guardian Challenge held at Peterson Air Force Base, Colo., May 1. (U.S. Air Force photo by Airman First Class Randi Flaugh)

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Photo by: Airman First Class Randi Flaugh |  VIRIN: 080501-F-5422F-003.JPG