United Kingdom · Question · Written question
UIN 106287
Nuclear Submarines: Deployment
Introduced
15 January 2026
Last action
23 January 2026 · Answer
Status
Answered
Sponsors
—
Subjects
Discovery layer
Source updated
23 January 2026
Summary
To ask the Secretary of State for Defence, how many operational SSN’s were at sea as of 1 January 2026.
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Timeline
15 January 2026
Written question
To ask the Secretary of State for Defence, how many operational SSN’s were at sea as of 1 January 2026.
Source: Commons
23 January 2026
Answer
It is UK policy not to disclose the operational availability or deployment details of submarines, including SSNs, as doing so would, or would be likely to, prejudice the capability, effectiveness, or security of our Armed Forces.
Source: Written answer
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Sponsors
- · Ministry of Defence · Answering body
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Sources
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- Official source: https://questions-statements.parliament.uk/written-questions/detail/2026-01-15/106287
- Open data entity: https://questions-statements-api.parliament.uk/api/writtenquestions/questions/1872001
- uk · wq-1872001 · source updated 23 January 2026