한국항공우주산업
The USAF launched the T-X Program in 2010 to replace the T-38. Bidders included: a joint venture of BAE Systems and Rolls Royce, offering the Hawk trainer, equipped with Rolls' Adour Mk951 engine with FADEC; Lockheed Martin and Korea Aerospace Industries, offering the T-50; and Raytheon and Alenia Aermacchi offering the T-100, an aircraft whose design originated with the M-346. Boeing and Saab offered a new-technology design powered by the General Electric F404 turbofan engine. The Boeing/Saab bid first flew on December 20, 2016 and on September 27, 2018 was declared the winner of the T-X competition.