Written Question·Ministry of Defence·UIN 83062

Trident Submarines: Procurement

Tabled: 17 October 2025

Answered: 14 November 2025

Question

Ben Obese-Jecty

To ask the Secretary of State for Defence, with reference to the press release entitled King Charles III marks historic milestone for nuclear submarine programme, published on 22 September 2025, what the completion timeline is of the fourth boat in the Dr

Answer

Luke Pollard

The Dreadnought Class submarines will begin to enter service from the early 2030s. The planned in-service dates for Royal Navy submarines are withheld as disclosure would, or would be likely to, prejudice the capability, effectiveness, or security of the ...

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