飛行実証機もGCAPのリスク低減のためだとはっきり英国防省が言っているから重要だよ
ここで外野が無関係だと発狂しても無意味

Designed to test a wide range of new technologies, including the integration of stealth compatible features, the Combat Air Flying Demonstrator is a crucial part of the work
to develop manufacturing processes and de-risk the next generation combat aircraft that will be delivered through the Global Combat Air Programme with the UK, Italy and Japan.