Air Force Col. Brian Filler, left, 501st Combat Support Wing commander, conducts a positive air pressure check at RAF Fairford, England, Feb. 21, 2022. Filler completed several pre-flight requirements prior to boarding a B-52H Stratofortress for a familiarization flight.

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Photo credit: © NB/IA / Alamy / Afripics
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Keywords: 501, 501csw, 5th, 69th, bomb, csw, expeditionary, familiarization, flight, group, operations, squadron