Japan's Mitsubishi built has emerged! This technology demonstrator, known within the Japanese Ministry Of Defense as the "Spirit of The Heart," is set to fly sometime later this year.

Japan hopes the Advanced Technology Demonstrator eXperimental (ATD-X) will lead to a larger high-performance production aircraft with low-observable (stealthy) qualities, designed and built indigenously sometime in the next decade. New technologies that the ATD-X will test include a second generation , advanced "fly-by-fiber-optic" flight control system that can compensate for battle damage and control surface failures, an advanced and suite, thrust vectoring and locally developed high-thrust turbofan engines to name a few.

UPDATE: Check out this news segment from Japanese TV-

pictures via twitter, Japanese media.