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 Protocol states that one may wander aft of one's assigned seat, but not forward of it. Communications equipment and the cockpit are on the upper deck. There are also secure and non-secure voice, fax and data communications facilities. While the aircraft's luggage capacity is adequate to carry the belongings of the passengers, the logistics train of the President means that the aircraft must fly preceded by an aerial convoy of several cargo transports, which carry the helicopters, motorcade vehicles, and other equipment required by the presidential entourage. The VC-25A replaced the VC-137C (a military version of the Boeing 707) as