Special Tactics testing
U.S. Air Force Airmen assigned to Seymour Johnson Air Force Base prepare for the swimming portion of a Physical Ability and Stamina Test (PAST) in Goldsboro, N.C., Aug. 12, 2013. The PAST is required for Airmen looking to transition into a special tactics career field, to include: Pararescue, Combat Controller, Special Operations Weather Technician, Tactical Air Control Party and Survivial, Evasion, Resistance and Escape specialist. (U.S. Air Force photo by Airman 1st Class Brittain Crolley/Released)