Nuclear Weapons: Decommissioning
Commons · Question 70223 · Tabled 22 Jul 2025 · Ministry of Defence · Official record
Answered 1 Sep 2025
Question
Asked by Martin Wrigley
To ask the Secretary of State for Defence, how much plutonium has been recovered as part of the Mk4A Trident warhead dismantlement programme; what proportion has been re-used in current warhead systems; where remaining material is stored; and what the tot
Answer
Answered by Maria Eagle, 1 Sep 2025
The Mk4 warhead components are being disassembled and re-used, recycled or safely disposed of at the Atomic Weapons Establishment (AWE) Burghfield site, following the transition to the Mk4A warhead in 2023. The cost of disassembling our nuclear warheads a...