Air Commandos participate in a Go Ruck Challenge at Hurlburt Field, Fla., Sept. 22, 2017. Approximately 13 Airmen endured physical and mental challenges during a long ruck march in honor of the victims of the 9/11 terror attacks. The challenge was part of an initiative to help build resiliency among Airmen.

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Size: 1886px × 1061px
Photo credit: © Dudley Little / Alamy / Afripics
License: Licensed
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Keywords: air, america, archive, armed, army, commando, defence, field, fla, florida, force, forces, hurlburt, military, navy, reportage, ruck, service, serviceman, servicemen, soldier, states, united, usa