621st ACS Change of Command
Lt. Col. Megan Luka, left, 621st Air Control Squadron outgoing commander, Col. James Fields, middle, 607th Air and Space Operations Center vice commander, and Lt. Col. Julian Bermudez, right, 621st ACS incoming commander, pose for a group photo after the 621st ACS change of command ceremony at Osan Air Base, Republic of Korea, May 23, 2023. Change of command ceremonies are time-honored traditions deeply rooted in American military history. (U.S. Air Force photo by Senior Airman Thomas Sjoberg)