Thunderbirds Duo Air Force Tech. Sgt. Kristyne Pierson and Staff Sgt. Jessica Englishbee members of the Thunderbirds, the Air Force's flight demonstration squadron, perform preflight procedures at the CAF Wings Over Houston Airshow in Houston, Oct. 9, 2021. SHARE IMAGE: Download Image: Full Size (0.53 MB) Tags: Air Force, Thunderbirds Photo By: Air Force Staff Sgt. Laurel Richards VIRIN: 211008-F-YM230-0165C.JPG Photo Gallery