LANGLEY AIR FORCE BASE, Va. -- Staff Sgt. Oliver Dagum and Senior Airman Cristy Lagazo, Tops in Blue vocalists, hug during a world tour performance. 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)

LANGLEY AIR FORCE BASE, Va. -- 2nd Lt. Rhoda Lazo, Tops in Blue vocalist, leads a group of vocalist in the opening performance 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)

LANGLEY AIR FORCE BASE, Va. -- 2nd Lt. Rhoda Loza, Tops in Blue vocalist, lifted her hand as she leaves the stage during a world tour performance 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)

LANGLEY AIR FORCE BASE, Va. -- Airman 1st Class Barry Smith, Tops in Blue vocalist, sings to the crowd during a world tour performance 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)

LANGLEY AIR FORCE BASE, Va. -- 2nd Lt. Rhoda Lazo, Tops in Blue vocalist, leads a group of vocalist in the opening performance 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)

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)

LANGLEY AIR FORCE BASE, Va. -- Senior Airman Nicholas Amari, Tops in Blue vocalist, sings during a world tour performance 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)

LANGLEY AIR FORCE BASE, Va. -- Male vocalists of the Tops in Blue band sing during a world tour performance 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)

LANGLEY AIR FORCE BASE, Va. -- Airmen 1st Class Quentin Thomas and David Butler, Tops in Blue vocalists, sing to the crowd during a world tour performance. 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)

LANGLEY AIR FORCE BASE, Va. -- Vocalists of the Tops in Blue band sing and dance 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)

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)

LANGLEY AIR FORCE BASE, Va. -- Tech. Sgt. Bridgett Johnson, Tops in Blue vocalist, sings during a world tour performance 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)

LANGLEY AIR FORCE BASE, Va. -- 2nd Lt. Rhoda Lazo, Tops in Blue vocalist, sings to the crowd during a world tour performance 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)