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# UK MOD unveils Atlantic Bastion autonomous undersea defence programme
- URL: https://sovereigntymonitor.eu/news/2025-12-08-uk-atlantic-bastion-subsea-defence/
- Published: 2025-12-08T12:00:00.000Z
- Updated: 2026-10-08T12:01:03.000Z
- Description: The UK Ministry of Defence unveiled Atlantic Bastion, naming GBP 14 million already committed this year to autonomous vessels and AI acoustic sensing against Russian threats to undersea infrastructure. Anduril UK, BAE Systems and Helsing are among 26 firms whose proposals are still being assessed.
- Author: Reidar Balstad
- Tags: Compute and infrastructure, Defence and space, #news, #verified, #editor-read

Verified Editor-read [UK Ministry of Defence press release ("UK unveils new undersea warfare technology to counter threat from Russia"), 8 December 2025](https://www.gov.uk/government/news/uk-unveils-new-undersea-warfare-technology-to-counter-threat-from-russia?ref=sovereigntymonitor.eu)

**What it does not test.** Does not establish which firms' systems receive contracts beyond this year's seedcorn testing and development funding.

**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](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 2026-10-07\. [How the record is made](https://sovereigntymonitor.eu/method/#how-the-record-is-made)