USAF issues RfP for initial design of next Air Force One

http://www.flightglobal.com/news/articles/usaf-issues-rfp-for-initial-design-of-next-air-force-425180/

 
A request for proposals (RfP) issued on 10 May covers "preliminary design activities required to begin development of two Presidential mission-ready aircraft, based on two government furnished Boeing 747-8 aircraft procured under a separate contract action on this contract"