Operations group passes the guideon
Col. Jon A. Roop, 11th Wing commander, passes the 11th Operations Group guidon to Col. Jeffrey R. Swegel July 7 during a change-of-command ceremony at the U.S. Air Force Ceremonial Lawn on Bolling Air Force Base, D.C. These ceremonies represent the formal passing of responsibility, authority and accountability of command from one officer to another. (U.S. Air Force photo by Thomas Dennis)