On June 2, 2025, the United Kingdom announced plans to construct up to 12 new nuclear-powered, conventionally armed attack submarines as part of its Strategic Defence Review. This initiative aims to enhance the Royal Navy’s capabilities and address emerging global security challenges.
The new submarines, designated as SSN-AUKUS, will be developed under the AUKUS trilateral security partnership between the UK, the United States, and Australia. They are set to replace the current fleet of seven Astute-class submarines from the late 2030s onwards.
Prime Minister Keir Starmer emphasized the need for the UK to adapt to the evolving security landscape, stating that the country must be prepared for potential conflicts and deter threats effectively.
The construction of these submarines will take place at BAE Systems’ shipyard in Barrow-in-Furness and Rolls-Royce’s facility in Raynesway, Derby. The program is expected to support 30,000 skilled jobs across the UK and create thousands of apprenticeships and graduate roles over the next decade.
In addition to the submarine program, the UK government announced a £15 billion investment in its nuclear warhead program and plans to build six new munitions factories. These measures are part of a broader strategy to enhance the country’s defense capabilities and ensure readiness for future challenges.
