Col. Buck Elton, 27th Special Operations Wing commander, passes the guidon to Col. Sean Farrell, 27th Special Operations Group commander, during a change of command ceremony at Cannon Air Force Base, N.M., May 31, 2013. Elton presided over the ceremony in which Col. William West relinquished command of the 27th SOG to Farrell. (U.S. Air Force photo/Senior Airman Jette Carr)