LANGLEY AIR FORCE BASE, Va. – Airmen stand in formation during the 633d Air Base Wing activation and change-of-command ceremony. The activation of the 633d ABW is the first step in fulfilling congress’ 2005 Base Realignment and Closure decision that forms Joint Base Langley-Eustis later this month.(U.S. Air Force photo/Airman 1st Class John Teti)