Air Force One

== English == === Etymology === From Air Force +‎ one. Coined after an incident in 1953 where the aircraft's call sign carrying the President of the United States coincided with another aircraft in the same airspace. === Noun === Air Force One (plural Air Force Ones) An airplane used by the President of the United States. Coordinate terms: Air Force Two, Trump Force One ==== Translations ==== === Further reading === “Air Force One”, in Collins English Dictionary, 2011–present. “Air Force One”, in OneLook Dictionary Search.