Col. Ryan Keeney, 49th Wing commander, takes the 49th Medical Group guidon from Col. John Davis, 49th MDG outgoing commander, during a change of command ceremony July 7, 2021, on Holloman Air Force Base, New Mexico. Davis relinquished command of the 49th MDG to Col. Valerie Castle.


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Photo credit: © Operation 2021 / Alamy / Afripics
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Keywords: change, command