Japan seeks foreign engines for stealth fighter prototypes

http://www.flightglobal.com/articles/2010/04/27/341145/japan-seeks-foreign-engines-for-stealth-fighter-prototypes.html

The ATD-X Shinshinprogramme is still in the study stage, but industry sources in Japan and overseas say Tokyo has issued a document to engine-makers seeking information and pricing on powerplants needed for two prototype aircraft.