The two solo U.S. Air Force Thunderbirds’ F-16 Fighting Falcons fly in formation with #5 inverted above #6 during an air show at Tinker Air Force Base, Okla., May 21, 2017. The Thunderbirds are highly experienced pilots and support personnel who act as official Air Force ambassadors to massive audiences each year. (U.S. Air Force photo by Greg L. Davis)