To ask the Secretary of State for Defence, pursuant to the answer of 16th December 2025, to question 98210 on Submarines: Decommissioning, what is the schedule for (a) defueling the 12 remaining decommissioned submarines and (b) dismantling all remaining 
The twelve decommissioned, first generation Pressurised Water Reactor (PWR1) submarines awaiting defuel in Devonport will dock in a specialised, licensed dock in Devonport, following processes regulated by the Office for Nuclear Regulation. The used fuel ...
Submarines: Decommissioning