Question to the Ministry of Defence:

To ask the Secretary of State for Defence, what the scheduled end-of-service date is for each Trafalgar class submarine.

The UK's attack submarines are meeting their operational tasking and will continue to do so over the coming years as the current Trafalgar Class are replaced with the new Astute Class . I am withholding information on their respective planned out-of-service and in-service dates as disclosure would, or would be likely to, prejudice the capability, effectiveness or security of the Armed Forces.