The U.S. Air Force (song)

"The U.S. Air Force" is the official song of the United States Air Force, with music and lyrics by Robert MacArthur Crawford; adopted in the late 1940s, and is often referred to as "Wild Blue Yonder". == Title changes == Originally, the song was titled "Army Air Corps." During World War II, the service was renamed "Army Air Forces" because of the change in the main U.S. Army's air arm naming in mid-1941, and the song title changed to agree.

Source: Wikipedia — The U.S. Air Force (song) (CC BY-SA 4.0)