To ask the Secretary of State for Defence what estimate he has made of the change in the cost of nuclear decommissioning liabilities which would arise from the replacement of the Vanguard class Trident nuclear submarines; what factors are included in the estimate; and if he will make a statement.
It is too early to make a reasonable estimate of the nuclear decommissioning liabilities associated with a new class of submarines built to maintain our nuclear deterrent. However, the nuclear liabilities in the Department's annual report and accounts for 2005-06, HC1394, include a figure of £333 million for all current in-service submarines, including the Vanguard class. More detail on the MOD's current nuclear decommissioning liabilities is set out in the answer I gave to my hon. Friend Paul Flynn on