721st MSG change of command
CHEYENNE MOUNTAIN AIR FORCE STATION, Colo. –Col. Chris Crawford (left), 21st Space Wing commander, passes the 721st Mission Support Group guidon to Col. Joseph J. Turk, 721st MSG commander, during a change of command ceremony July 28, 2011 at Mountain Man Park, Cheyenne Mountain Air Force Station. Turk assumed command from Col. Russell A. Wilson during the time-honored ceremony. (U.S. Air Force photo/Rob Bussard)