Airmen greet Chief Master Sgt. Shelina Frey, the command chief master sergeant for Air Mobility Command, Scott Air Force Base, Ill., at Travis Air Force Base, Calif., Feb. 12, 2018. Frey will retire this year after nearly 34 years of service. ( Air Force Photo by Heide Couch)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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