An Airman from the 2nd Security Forces Squadron makes use of a military protractor at Barksdale Air Force Base, Louisiana, Aug. 30, 2021. Military protractors use the metric system for measuring distance and feature compass degrees around the edges.
Size: 2954px × 2283px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No
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