>>763
エンジンはThe Engine Systemで
サブシステムはそれとは別でしょ

https://www.gov.uk/government/news/uk-and-japan-to-develop-future-fighter-jet-engine-demonstrator
海外ニュースだけど
Investing and working together with Japan to demonstrate highly advanced engine systems
　と
Together, the UK and Japanese Defence Ministries will explore the feasibility of further sub-systems collaboration throughout 2022.