>>98
NGされてるから念仏sだろうと思うが一応

https://aviationweek.com/defense-space/aircraft-propulsion/engine-demonstrator-strengthen-uk-japan-fighter-ties

内容が引用されてる箇所
https://aviationweek.com/shownews/farnborough-airshow/enhanced-japanese-collaboration-could-transform-tempest-outlook

More recently, Rolls-Royce and IHI Corp. have begun working on a joint future fighter engine demonstrator, which will build on IHI’s work on its advanced XF9-1 experimental powerplant and Rolls-Royce’s work on the XG240, the power system destined for the Tempest (AW&ST Feb. 7-20, p. 30).