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UK, Norway Sign Defense Pact to Counter Russian Submarines

The Lunna House pact creates a fleet of 13 British-built Type-26 frigates to counter a 30% rise in Russian naval activity near UK waters, enhancing NATO’s northern maritime defense.

  • Defence Secretary John Healey and Norwegian Defence Minister Tore O. Sandvik signed the Lunna House Agreement at Downing Street on Dec. 4, 2025, committing to joint naval patrols to hunt Russian submarines and protect undersea infrastructure.
  • Growing alarm over seabed sabotage led to the MoD reporting a 30% rise in Russian vessels near UK waters and British crews tracking the Russian navy ship Yantar targeting aircraft with lasers.
  • Under the pact, navies will pool Type 26 frigates built at BAE Systems in Glasgow to form at least 13 anti‑submarine ships with eight British and at least five Norwegian ships, developing motherships and Offshore Support Vessels for uncrewed systems.
  • Strategically, the pact is meant to strengthen NATO's northern flank, support thousands of UK shipbuilding sector jobs, and deepen cooperation on Norwegian Naval Strike Missile, Sting Ray torpedo, and autonomous maritime systems.
  • Over the coming years the U.K. and Norway plan to send more than a dozen warships to the North Atlantic, but joint patrols will start in the late 2020s–early 2030s as leaders visit RAF Lossiemouth on Thursday, Dec. 4.
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112 Articles

Center

A unique agreement between the UK and Norway is signed: it aims at protecting critical infrastructure – and joint exercises.

Lean Left

The two kingdoms set up a warship fleet, with at least 13 frigates being the target. The mission is to secure the critical infrastructure in the Atlantic and provide Vladimir Putin Paroli.

·Germany
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Lean Right

Waterborne telecommunications and power cables are being damaged several times, and governments in London and Oslo are no longer able to do so. Both countries are cooperating and are alternately managing 13 warships.

Lean Left

Britain and Norway signed a defense pact on Thursday that will see them operate a joint fleet to protect undersea cables and hunt down Russian submarines in the North Atlantic. The fleet will consist of at least 13 British-built Type 26 Glasgow frigates.

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Responsible Statecraft broke the news in on Thursday, September 11, 2025.
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