U.S. Air Force Chief Master Sgt. John Huhn, 723d Aircraft Maintenance Squadron superintendent, reviews management internal control toolset checklists at Moody Air Force Base, Ga., Feb. 11, 2014. In his off-duty time, Huhn participates in half and full marathons to keep in shape and serve as inspiration to his fellow Airmen. (U.S. Air Force photo by Senior Airman Tiffany M. Grigg/Released)
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