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# UK and Poland sign defence treaty covering joint missile and ammunition output
- URL: https://sovereigntymonitor.eu/news/2026-05-27-uk-poland-defence-treaty/
- Published: 2026-05-27T12:00:00.000Z
- Updated: 2026-09-22T12:00:26.000Z
- Description: Starmer and Tusk signed the UK-Poland Security and Defence Partnership Treaty, committing to joint development and manufacture of next-generation missiles, expanded large-calibre ammunition production with technology transfer, and joint quantum research funding.
- Author: Reidar Balstad
- Tags: Policy and law, Defence and space, #news, #verified, #editor-read

Verified Editor-read [UK Government press release, 27 May 2026](https://www.gov.uk/government/news/security-and-defence-partnership-treaty-the-projects-the-uk-and-poland-will-deliver-together?ref=sovereigntymonitor.eu)

**What it does not test.** Does not commit specific contract values, volumes or delivery dates for the joint missile or ammunition programmes.

**How this item counts.** Towards autonomy: it changes who made the parts. Binding 2 of 3 (agreed or funded), scale 2 of 3 (medium), Verified counts in full: weight +4 of 36 possible. UK-Poland treaty signed for joint missile/ammunition manufacture, not yet producing. [European Sovereignty Index](https://sovereigntymonitor.eu/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 2026-09-22\. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)