LANGLEY AIR FORCE BASE, Va. -- Chief Master Sgt. Scott Dearduff, command chief for the 9th Air Force and U.S. Air Forces Central Command, has lunch with Langley Airmen here Sept.11.Chief Dearduff visited with Airmen and toured some of Langley's squadrons after attending the Air Combat Command change-of-command Sept. 10. (U.S. Air Force photo/Airman1st Class Jonathan Koob)