Col. Andrew Croft, 12th Operations Group commander , addresses the audience during his Assumption of Command Ceremony July 23. (U.S. Air Force photo/Rich McFadden)

Col. Andrew Croft, 12th Operations Group commander , renders the traditional First Salute at his Assumption of Command ceremony July 23. (U.S. Air Force photo/Rich McFadden)

Col. Richard Murphy (left),12th Flying Training Wing commander, passes the guidon to Col. Andrew Croft (right) as he assumes command of the 12th Operations Group at Randolph Air Force Base July 23. (U.S. Air Force photo/Rich McFadden)