The edge
U.S. Air Force Senior Airman Jeremiah Barnes, Tops In Blue vocalist, sings during a performance Nov. 6, 2014, at the Mathis City Auditorium in Valdosta, Ga. Tops In Blue uses the equivalent of 556 lights, more than two miles of cable and more the 60,000 pounds of equipment for each show. (U.S. Air Force photo by Airman 1st Class Ryan Callaghan/Released)