Senior Airman Rosa Young, 891st Missile Security Forces Squadron member performs a crawl during an obstacle course Aug. 28, 2018, at Fort Harrison, Mont. These Airmen will be competing with other major command teams during the 2018 Air Force Defender Challenge.

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Size: 1731px × 1155px
Photo credit: © Bob Collet / Alamy / Afripics
License: Licensed
Model Released: No

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