Air Force Lt. Col. Brian Mack, 423rd Security Forces Squadron outgoing commander, receives a final salute during a 423rd SFS change of command ceremony at Royal Air Force Alconbury, England, June 15, 2021. The change of command ceremony is rooted in military history dating back to the 18th century representing the relinquishing of power from one officer to another.

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Photo credit: © Operation 2021 / Alamy / Afripics
License: Licensed
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Keywords: .., 501, 501csw, air, change, command, csw, defenders, force