United Kingdom · Question · Written question
UIN 93793
Submarines: Repairs and Maintenance
Introduced
24 November 2025
Last action
2 December 2025 · Answer
Status
Answered
Sponsors
—
Subjects
Discovery layer
Source updated
2 December 2025
Summary
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
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Timeline
24 November 2025
Written question
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
Source: Commons
2 December 2025
Answer
The 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...
Source: Written answer
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- · Ministry of Defence · Answering body
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Sources
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- Official source: https://questions-statements.parliament.uk/written-questions/detail/2025-11-24/93793
- Open data entity: https://questions-statements-api.parliament.uk/api/writtenquestions/questions/1856048
- uk · wq-1856048 · source updated 2 December 2025