TOKYO -- Japan has heard proposals from three U.S. aerospace companies on its program for a next-generation fighter jet, as Tokyo looks to forge a framework including cost and time estimates by the end of 2020.
Tokyo seeks aerospace partner and framework with Washington on F-2 successor

The X-2 experimental stealth fighter jet was built mostly by Japanese companies. (Photo courtesy of the Acquisition, Technology and Logistics Agency of Japan's Ministry of Defense)
TOKYO -- Japan has heard proposals from three U.S. aerospace companies on its program for a next-generation fighter jet, as Tokyo looks to forge a framework including cost and time estimates by the end of 2020.