Second Lt. Holly Gramkow, 308th Aircraft Maintenance Unit assistant officer in charge, runs during the Viking Challenge 12-hour marathon at Luke Air Force Base, Ariz., March 25, 2011. The Viking run is coordinated by the Logistic Officers Association to help raise money for luke airmen scholarships. ( Air Force Photo by Staff Sgt. Jason Colbert)

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Size: 1932px × 1293px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 56th, air, airforce, base, bulk, challenge, colbert, dimoc, dvids, fighter, force, import, jason, luke, military, running, ssgt, states, thunderbolts, united, usa, viking, wing