180909-F-OV732-1335
Four F-16 Fighting Falcons, part of the U.S. Air Force Thunderbirds Demonstration Team, fly in formation during the Frontiers in Flight Open House and Airshow, Sept. 8, 2018, at McConnell Air Force Base, Kan. The Thunderbirds were officially activated June 1, 1953, as the 3600th Air Demonstration Team at Luke Air Force Base, Ariz. (U.S. Air Force photo by Senior Airman Jenna K. Caldwell)