19th OSS Change of Command
U.S. Air Force Col. Christopher Welch, 19th Operations Group commander, presents Lt. Col. Boston McClain III, 19th Operations Support Squadron outgoing commander, with the Meritorious Service Medal during the OSS change of command ceremony at Little Rock Air Force Base, Arkansas, Jan. 29, 2026. In a change of command ceremony, the guidon symbolizes the transfer of command, as well as the authority and responsibility associated with it. (U.S. Air Force photo by Senior Airman Imani West)