U.S. Air Force Col. Michael Thompson, 52nd Operations Group commander, left, gives the ceremonial guidon to U.S. Air Force Lt. Col. Joshua Kubacz, incoming 52nd Operations Support Squadron commander, during the 52nd OSS change of command ceremony on Spangdahlem Air Base, Germany, May 19, 2017. (U.S. Air Force photo by Senior Airman Dawn M. Weber)
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