The USAF Air Demonstration Squadron ("Thunderbirds") is the air demonstration squadron of the United States Air Force (USAF). The Thunderbirds are assigned to the 57th Wing, and are based at Nellis AFB, Nevada. The squadron tours the United States and much of the world, performing aerobatic formation and solo flying in specially marked aircraft. The name is taken from the legendary creature that appears in the mythology of several indigenous North American cultures.