Members of the 436th Civil Engineer Squadron stand in formation during the 436th CES Change of Command ceremony held at the base fire station on Dover Air Force Base, Delaware, June 23, 2022. Team Dover Airmen, family members and guests watched Lt. Col. Matthew Olson, outgoing commander, relinquish command to Lt. Col. Joshua Yerk. Presiding officer for the ceremony was Col. Phelemon Williams, 436th Mission Support Group commander. (U.S. Air Force photo by Roland Balik)
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