European Sovereignty Monitor

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UK and France sign Northwood Declaration on coordinated nuclear deterrence

The UK and France signed the Northwood Declaration, committing to coordinate their independent nuclear deterrents through a new Joint Nuclear Steering Group. Starmer and Macron said no extreme threat to Europe would draw a response from only one of them.

Reported Editor-read Naval News, 11 July 2025 (reporting the Northwood Declaration of 10 July 2025)

What it does not test. Does not establish that the Joint Nuclear Steering Group has yet met or coordinated an operational decision.

How this item counts. This item is dated before the index starts on 1 January 2026, so it does not count in the European Sovereignty Index.

How this item was made. Drafted by an AI system (Claude (Anthropic)) from the source cited above; read and approved by the editor on 2026-10-19. How the record is made

What the tags mean: VerifiedReportedAI-draftedAI-drafted, editor-readHuman-writtenWhat the tags mean

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