去年の秋にでてたファイナンシャルタイムズの記事だと以下みたいな三菱重工の発言があった
According to executives as Mitsubishi Heavy Industries, part of the challenge is that each of the companies wants to take the lead in the most interesting parts of the development, including the cockpit, electronics, the weapons control system and the carbon fibre wings.
なかなか調整は難しいのだろう
ただセキュリティ要件については多くが英国主導になるとも書いてあった