Burnham and Friedrich Merz ratified the UK-German Kensington Treaty, which commits both countries to deeper cooperation on science, technology, defence, security and growth

From the articleJoint Statement Germany – United KingdomAlso in UK signals ‘openness’ to Germany joining GCAP fighter jet programme, Joint UK-Germany Statement - Berlin, 8 October 2026, UK’s Burnham ‘open’ to Germany joining GCAP fighter jet programme