Trident Submarines: Procurement
The question
To ask the Secretary of State for Defence, with reference to the data tables accompanying the National Infrastructure and Service Transformation Authority Annual Report 2024-25, published on 11 August 2025, what the ongoing challenges are in meeting the delivery date for the first Dreadnought submarine nuclear core.
Answered by Luke Pollard
The red delivery confidence rating for the Core Production Capability programme in the National Infrastructure and Service Transformation Authority (NISTA) report reflects the complexity of simultaneously completing the Astute Class cores while transitioning to a new core type for the Dreadnought Class.
The Ministry of Defence is working closely with Rolls-Royce Submarines to improve delivery confidence by increasing production rates and improving manufacturing resilience. NISTA has confirmed these actions are appropriate. The first of Class, HMS Dreadnought, remains on track to enter service in the early 2030s.
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