Formation Foursome The Thunderbirds, the Air Force's flight demonstration squadron, perform during the Speed of Sound Airshow in St. Joseph, Mo., May 2, 2020. SHARE IMAGE: Download Image: Full Size (0.79 MB) Tags: Air Force, Thunderbirds Photo By: Air Force Tech. Sgt. Patrick Evenson VIRIN: 210401-Z-YI114-1134C.JPG Photo Gallery