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2nd Lt. Jacob Geil, Project Arc test engineer, takes a measurement on the ram airscoop fan assembly as a part of the Project Arc program at Barksdale Air Force Base, Louisiana, Sept. 16, 2022. While here, Geil worked with the 2nd Maintenance Squadron and Military Personnel Flight by designing tools that make Airmen’s duties easier. (U.S. Air Force photo by Staff Sgt. Christopher Tam)
24.0-70.0 mm f/2.8
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