LANGLEY AIR FORCE BASE, Va. -- Staff Sgt. Marquis Echols, Aircraft Maintenance Squadron weapons section, answers a question Chief Master Sgt. Scott Dearduff, command chief for the 9th Air Force and U.S. Air Forces Central Command, asked him during a luncheon held for Chief Dearduff to get to know the Airmen better 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)