A Air Force Airman, Survival, Evasion, Resistance, Escape (SERE) candidate performs a freestyle swimming technique during the Physical Assessment and Stamina Test (PAST) at Joint Base San Antonio-Lackland Medina Annex, Texas, Aug. 3, 2015. The 200-meter surface swim is the first event of the PAST evaluation. ( Air Force photo by Tech. Sgt. Chad Chisholm/Released)

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Size: 4319px × 2875px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: antonio, candidate, lackland, medina, san, sere