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Submarines: Decommissioning

Asked by Graeme DownieLabourMinistry of DefenceTabled Answered 27 November 2025UIN 94062

The question

To ask the Secretary of State for Defence, when he plans to make a decision on the future of the Submarine Dismantling Programme.

Answered by Luke Pollard

The demonstrator submarine, Swiftsure, continues to be dismantled as part of the Submarine Dismantling Project. Working with Babcock, we remain committed to dismantling the platform by the end of 2026. Following Swiftsure, there are six further legacy submarines in Rosyth awaiting to enter the dismantling process.

Realisation of an enduring disposal capability to ensure the safe and secure disposal of the UK’s future decommissioned submarines will be delivered through the Department’s Submarine Disposal Capability Project. The project is currently in its concept phase and the Department is assessing options for the capability and its location with various sites under consideration within the UK. A decision will be communicated to Parliament at the appropriate time.

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