https://www.telegra☆ph.co.uk/busi☆ness/2022/07/18/bae-work-first-new-supersonic-fighter-jet-almost-40-years/
(☆外してな)
これだと2027年に試作機飛ばすという話だな
文中のロイターのはこれの事だろ多分

Britain to work with Japan on new fighter jet programme
https://jp.reuters.com/article/britain-airshow-tempest/britain-to-work-with-japan-on-new-fighter-jet-programme-idINL1N2YZ0XA