Air Force Staff Sgt. Esteban Goniwicha, 435th Security Forces Squadron ground combat readiness training center instructor, provides security on an airfield during exercise Frozen Defender in Grostenquin, France, Jan. 14, 2020. Frozen Defender tests the squadron’s capabilities in a contested environment under harsh conditions. Goniwicha and his comrades cleared the airfield of any simulated adversaries to enable air operations in the austere environment. ( Air Force photo by Staff Sgt. Devin Boyer)

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