U.S. Air Force airmen assigned to Seymour Johnson Air Force Base perform the running portion of a Physical Ability and Stamina Test (PAST) at Seymour Johnson Air Force Base, N.C., Aug. 12, 2013.  Completing the PAST requires airmen to test their abilities in swimming, running, pullups, situps and pushups.  (U.S. Air Force photo by Airman 1st Class Brittain Crolley/Released)
Airman 1st Class Brittain Crolley
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