Air Force Airman Micaiah Simmons, 100th Operations Support Squadron aircrew flight equipment apprentice, operates an oxygen mask test unit at Royal Air Force Mildenhall, England, Jan. 10, 2024. The oxygen mask test unit is used to test the proper function of vital oxygen providing gear such as the quick-don mask used by aircrew.

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Photo credit: © Operation 2024 / Alamy / Afripics
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Keywords: 100th, 100tharw, afe, bloody, hundredth, mildenhall, oss, team, usafe