Air Force Master Sgt. Dennis Varnado, a flight chief assigned to the 307th Aircraft Maintenance Squadron, instructs maintainers working on a B-52 Stratofortress engine at Barksdale Air Force Base, Louisiana, August 2, 2018. Varnado’s main duty is to monitor and assist maintainers as they work on the jets.

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Size: 1736px × 1152px
Photo credit: © Barney Low / Alamy / Afripics
License: Licensed
Model Released: No

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