Flight Formation F-16 Fighting Falcons assigned to the Thunderbirds, the Air Force’s flight demonstration squadron, fly in formation below the refueling boom of a KC-135 Stratotanker while traveling to San Antonio, Nov. 2, 2017, for a performance. Air Force photo by Tech. Sgt. Abigail Klein SHARE: Download: Full Size (0.98 MB) Credit: Tech. Sgt. Abigail Klein VIRIN: 171102-F-FC636-1997Y.JPG Photo Gallery