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Work on the joint engine demonstrator will kickstart early next year, with the UK investing an initial £30 million in planning, digital designs and innovative manufacturing developments.

A further £200 million of UK funding is expected to go towards developing a full-scale demonstrator power system, supporting hundreds of highly skilled jobs, including many at Rolls-Royce’s Filton facility in Bristol.

https://www.gov.uk/government/news/uk-and-japan-to-develop-future-fighter-jet-engine-demonstrator