Tops in Blue on coast July 10 Published May 29, 2007 KEESLER AIR FORCE BASE, Miss. -- Tops in Blue, the Air Force's musical and performing ambassadors, presents a free performance, 7 p.m July 10 at the Mississippi Gulf Coast Coliseum in Biloxi. This year's theme is "The Fly by Tour -- A Musical Tribute to 60 Years of Proud Air Force History." Doors open to the public at 6:30 p.m. Parking is free. For more information, call Dave Bowers, 228-377-2958.