Boeing VC-25 Boeing VC-25 The Boeing VC-25 is a military version of the Boeing 747 airliner, modified for presidential transport and operated by the United States Air Force as "Air Force One", the call sign of any U.S. Air Force aircraft carrying the President of the United States. Only two examples of this aircraft type are currently in service; they are highly modified Boeing 747-200Bs, designated VC-25A and having tail numbers 28000 and 29000. Although technically the "Air Force One" designation applies to the aircraft only while the President is on board, the term is commonly used to refer to the VC-25
Boeing VC-25 in general. The two aircraft often operate in conjunction with "Marine One" helicopters, which ferry the President to airports whenever a vehicle motorcade would be inappropriate. Two new aircraft, designated as VC-25B, are scheduled to be delivered by 2024. By 1985, the pair of Boeing 707-based VC-137s used as the Presidential aircraft had been in service for 23 and 13 years respectively, and the USAF began searching for an eventual replacement. The Request for Proposal issued stated that the aircraft to be selected should have at least three engines and an unrefueled range of at least . Both Boeing with