Airmen assigned to the 55th Security Forces Squadron begin the mile run during a tryout for the 2020 Air Force Defender Challenge Jan. 27, 2020, at Offutt Air Force Base, Nebraska. Offutt AFB is just one of the many bases holding tryouts where members attempt to earn a spot on the Air Combat Command team. ( Air Force photo by L. Cunningham)

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Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
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