A 2020 forecast of British-Japanese fighter cooperation

Would Project Tempest and Japan's stealth-fighter effort work together?

The 2020 expectation was close cooperation and information sharing, with possible later U.S. participation, while Britain and Japan protected industrial work shares.

In 2020, close cooperation and information sharing between Project Tempest and Japan's stealth-fighter effort appeared likely. Later American participation was also considered possible. Britain and Japan beginning the work themselves could help secure a substantial share for their aircraft industries. This was a forecast about future collaboration and industrial participation.