Air Force Tech. Sgt. Zach Vaughan, a crew chief with the 173rd Fighter Wing in Klamath Falls, Ore., signals the F-15 pilot to hold in-place during preparation for taxi to the runway while in in Tucson, Ariz., Jan 17, 2020. The wing brought five F-15 aircraft and nearly 90 people to help the 162nd Fighter Wing train fledgling F-16 pilots for two weeks. ( Air National Guard photo by Master Sgt. Jefferson Thompson)

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Photo credit: © Operation 2021 / Alamy / Afripics
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