The U.S. Air Force has launched its highly-anticipated T-X next-generation trainer competition, issuing a request for proposals on Dec. 30 that will likely be answered by five or six industry team already vying for the $16.3 billion contract opportunity.
http://aviationweek.com/blog/us-air-force-launches-16-billion-t-x-competition
http://www.flightglobal.com/news/articles/us-air-force-releases-final-t-x-trainer-rfp-432824/