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Submarines: Decommissioning

Asked by Ben Obese-JectyConservativeMinistry of DefenceTabled Answered 16 December 2025UIN 98210

The question

To ask the Secretary of State for Defence, how many submarines are due to be dismantled under the Submarine Dismantling Programme.

Answered by Luke Pollard

I welcome the hon. Gentleman’s interest in this area. There is currently one decommissioned submarine undergoing dismantling at Rosyth Dockyard (HMS Swiftsure). A further 22 decommissioned submarines are awaiting disposal: six are at Rosyth Dockyard, all defueled, and 16 at Devonport Dockyard, of which four are defueled and 12 are awaiting defueling.

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