Commemoration Demonstration The Thunderbirds, the Air Force's aerial demonstration team, perform precision flying during an air show commemorating the Air Force's 70th anniversary at Great Falls, Nev., July 21, 2017. Air National Guard photo by Staff Sgt. Nieko Carzis SHARE IMAGE: Download Image: Full Size (1.5 MB) Photo By: Staff Sgt. Nicholas Carzis VIRIN: 170721-Z-QY689-014C.JPG Photo Gallery