Tops in Blue performs at Incirlik Published Oct. 17, 2007 By Airman 1st Class Nathan Lipscomb 39th Air Base Wing Public Affairs INCIRLIK AIR BASE, Turkey -- Tops in Blue showcase their musical and dance talents at Hangar 4, Oct. 14 during their 2007 World Tour. Tops in Blue represent the U.S. Air Force as one of the oldest and most traveled entertainment groups of its kind.