Daytona 500 flyby Published Feb. 23, 2016 927th Air Refueling Wing Public Affairs MACDILL AIR FORCE BASE, Fla. -- The U.S. Air Force Air Demonstration Squadron “Thunderbirds” fly the Delta formation over Louisiana Feb. 19, 2016. The Thunderbirds were refueled twice by a KC-135 Stratotanker from MacDill Air Force Base, Fla., once over New Mexico and a second time over Louisiana on their way to Daytona Beach, Fla., for their Daytona 500 flyover. (U.S. Air Force photo by Senior Airman Ned T. Johnston)