Britain offered Finland and the Baltic states a “nuclear umbrella”

[william]

British nuclear-powered submarines are to form the backbone of the deterrence system.According to Commander of the Royal Navy Gwyn Jenkins, the new nuclear deterrence would extend to JEF units and would not require activation of Article 5 of NATO.The JEF includes the United Kingdom, Finland, Sweden, Norway, Denmark, Iceland, Estonia, Latvia, Lithuania, and the Netherlands.

https://twitter.com/x/status/2104889172955701490

• NEXTA reports that Britain is offering a nuclear umbrella to Finland and Baltic states through the UK-led Joint Expeditionary Force (JEF), relying on nuclear-powered submarines as the core deterrent without needing NATO Article 5 activation.
• The claim stems directly from statements by Royal Navy's First Sea Lord Gwyn Jenkins during his Finland visit, covered widely by Finnish outlets like Iltalehti and Yle on September 29, 2026, with JEF members planning a formal agreement in Oslo in November.
• JEF, formed in 2014 and including Nordic, Baltic, and Dutch partners, acts as a rapid-response complement to NATO, aiming to bolster security in Northern Europe, the Baltic Sea, and High North through enhanced deterrence. Grok

 

[DEFCON Warning System]

Offering but not yet accepted?

 

[william]

Offering but not yet accepted?

According to what I read there is a formal agreement set for November.

 

[DEFCON Warning System]

According to what I read there is a formal agreement set for November.

Can you get me a source and the details?