The 400 meter swim was the first event for the Luke Air Force base triathlon Aug. 20, 2016 at Luke Air Force Base, Ariz. Along with the 400 meter swim, competitors biked miles and ran five kilometers. ( Air Force photo by Senior Airman Devante Williams)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: 56fw, 56th, air, base, fighter, force, luke, thunderbolts, usaf, wing