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

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, antonio, candidate, force, lackland, medina, military, san, sere, states, united, usa