Airman 1st Class Bethany Dacus, 911th Aircraft Maintenance Squadron crew chief, pushes a nitrogen cart to be used to service a landing gear tire on a C-17 Globemaster III at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Feb. 19, 2021. Crew chiefs work in all kinds of weather, including freezing temperatures, to maintain operational readiness.

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Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
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