U.S. Air Force Lt. Gen. Scott Williams, Continental U.S. North American Aerospace Defense Command Region and 1st Air Force (Air Forces Northern) Commander, passes the 1AF guidon to Chief Master Sgt. Richard King during the change of authority ceremony at Tyndall Air Force Base, Fla., Aug. 15. King assumed the position from interim Command Chief, Chief Master Sgt. Tiffiney Kellum. (U.S. Air Force photo by Maj. Kat Andrews)