Tops in Blue performers sing and dance during their annual world tour "Deja Blue" celebrating 55 years of entertainment Dec. 10, 2008, at Eilson Air Force Base, Alaska. Tops in Blue's goal is to enhance mission productivity for Air Force members around the world. Tops in Blue Airmen have an average of 120 performances at 100 locations worldwide each year. (U.S. Air Force/Staff Sgt. Tia Schroeder)