Nuclear Submarines: Deployment
Commons · Question 106287 · Tabled 15 Jan 2026 · Ministry of Defence · Official record
Answered 23 Jan 2026
Question
Asked by Ben Obese-Jecty
To ask the Secretary of State for Defence, how many operational SSN’s were at sea as of 1 January 2026.
Answer
Answered by Al Carns, 23 Jan 2026
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.