Setting sights on Guardian Challenge
Senior Airman Amanda Nye, a member of Buckley's Security Forces Guardian Challenge team, adjusts the sights on her M-4 during the firing portion of the 2008 Guardian Challenge held at Peterson Air Force Base, Colo., May 1. (U.S. Air Force photo by Senior Airman Michelle Lee Cross Furtado)

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Photo by: Senior Airman Michelle Lee Cross Furtado |  VIRIN: 080430-F-9575F-001.JPG