The United States Air Force (USAF) is the aerial warfare service branch of
the United Armed Forces. It was Initially part of the United States Army, the
USAF was formed as a separate branch of the military on September 18,
1947 under the National Security Act of 1947. It is the most recent branch
of the U.S. military to be formed, as well as the world’s most technologically
sophisticated air force.

The Thunderbirds are the air demonstration squadron of the U.S. Air Force, stationed at Nellis AFB in Las Vegas, Nevada.