Airman Alyson Edgmon, 362nd Training Squadron aerospace maintenance apprentice course student, performs maintenance on the KC-135 boom nozzle at Sheppard Air Force Base, Texas, September 20, 2017. During the two and a half month long course, students learn to inspect, troubleshoot and repair aircraft structures, engines and hydraulic systems.

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Photo credit: © Dudley Little / Alamy / Afripics
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Keywords: aerospace, air, america, archive, armed, army, defence, force, forces, maintenance, military, navy, reportage, service, serviceman, servicemen, soldier, states, united, usa