Air Force OneWiktionary 原文英美构词拆解Air Force词干+one词干词源说明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.释义名词noun1informalAn airplane used by the President of the United States.2(US, military, aviation, politics) The United States Air Force special VIP transport airliner designated for POTUS transportation3(US, military, aviation) The callsign