Written Question·Ministry of Defence·UIN 93793
Submarines: Repairs and Maintenance
Tabled: 24 November 2025
Answered: 2 December 2025
Question
Mr Richard Holden
Conservative — Basildon and Billericay
To ask the Secretary of State for Defence, how many submarines have been unable to deploy due to maintenance overruns in each of the last five years; and what steps his Department is taking to reduce the potential impact of increased operational tempos on
Answer
Luke PollardThe Ministry of Defence continues to work closely with the Submarine Delivery Agency and industry partners to minimise maintenance overruns and ensure that submarine availability remains aligned with operations We are investing in infrastructure, work cap...
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