Mike Eppinger, an Arnold Engineering Development Complex engineer, explains the operations of the SL-3 sea-level turbine engine test cell to high school students interested in pursuing an engineering career during the annual Engineer for a Day event held Feb. 22, 2017 at Arnold AFB, Tenn. ( Air Force photo/Rick Goodfriend)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: day, engineer