Gen. Arthur J. Lichte, Air Mobility Command commander (left), and Maj. Gen. Winfield W. Scott III, former 18th Air Force commander (right), congratulate Lt. Gen. Robert R. Allardice for being named the new 18th Air Force commander during a change of command ceremony Aug. 19, 2009, at Scott Air Force Base, Ill. (U.S. Air Force Photo/Airman 1st Class Wesley Farnsworth)