LANGLEY AIR FORCE BASE, Va. -- Chief Master Sgt. Scott Dearduff, command chief for the 9th Air Force and U.S. Air Forces Central Command recognizes Staff Sgt. Nathaniel Robinson Jr, 1st Operations Support Squadron aircrew flight equipment craftsman, during his visit 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/Senior Airman Wolf)