Senior Airman Sara Marinelli, 21st Airlift Squadron loadmaster, tests an oxygen mask prior to a flight July 6, 2021, at Travis Air Force Base, California. The 21st AS conducted a local training mission that enabled qualification currency for seven crew members.

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Size: 1936px × 1291px
Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -17, globemaster, iii, mission, training