Assumption of command
U.S. Air Force Col. Billy Thompson, left, 23d Wing commander, passes the guidon to Col. Steven Gregg, incoming 347th Rescue Group commander, at Moody Air Force Base, Ga., July 5, 2012. The passing of the guidon is symbolic of a new commander taking command of a squadron, group or wing. (U.S. Air Force photo by Staff Sgt. Ciara Wymbs/Released)