Boeing VC-25 entered into a contract to purchase two of a bankrupt Russian firm's (Transaero) undelivered 747-8 Intercontinentals from Boeing, which is storing them in the Mojave Desert to prevent corrosion. These aircraft are to be retrofitted with telecommunications and security equipment to bring them to the required security level for the presidential aircraft. On 27 February 2018, the White House announced a $3.9 billion agreement with Boeing to modify two unsold 747-8s to replace the current VC-25A fleet. The new aircraft will be designated VC-25B. They are due to be delivered by 2024. The VC-25 "Air Force One" is a prominent
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