Soldiers and Airmen from the 633d Air Base Wing stand in formation during a change of command ceremony at Langley Air Force Base, Va., June 23, 2011. On stage from left to right, Maj. Gen. Stephen Hoog, 9th Air Force commander, Col. Korvin Auch, 633 ABW commander, and Col. Donald Kirkland, former 633 ABW commander, Chief Master Sgt. Kevin Howell, 633 ABW command chief. (U.S. Air Force photo by Staff Sgt. Antoinette Gibson/Released)