LANGLEY AIR FORCE BASE, Va. -- Adm. Michael Mullen, chairman of Joint Chiefs of Staff, speaks during a briefing held in the conference room in the Air Combat Control headquarters building Dec. 8. Admiral Mullen visited Langley for a briefing, a tour of the 480th Intelligence Squadron, and an "All Hands" call where the Airmen could ask the chairman questions. (U.S. Air Force photo/Airman 1st Class Zachary Wolf)