Airman 1st Class David Butler, a vocalist with Tops in Blue, performs before a large crowd at the Fremont Street Experience, Las Vegas, Nev., Feb. 11. Tops in Blue is an all-active duty U.S. Air Force special unit made up of talented amateur performers who perform for military personnel and their families throughout the world.
(U.S. Air Force Photo/Senior Airman Larry E. Reid Jr.)
N/A
