LANGLEY AIR FORCE BASE, Va. -- Airman 1st Class Tommie Crutcher, Tops in Blue vocalist, leads all the vocalists in singing "The U.S. Air Force" song during a world tour Oct. 12. Tops in Blue is a widely traveled all active-duty entertainment group, serving the Air Force family with priority to personnel stationed worldwide at remote and deployed locations. (U.S. Air Force photo/Senior Airman Vernon Young)