Defence written question – answered on 3rd June 2010.

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Photo of Jeremy Corbyn Jeremy Corbyn Labour, Islington North

To ask the Secretary of State for Defence what his most recent estimate is of the cost of (a) replacement of the Trident submarine system and (b) the programme for the replacement of the warheads.

Photo of Liam Fox Liam Fox The Secretary of State for Defence

holding answer 2 June 2010

The 2006 White Paper "The Future of the UK's Nuclear Deterrent" (Cm 6994) stated that the total procurement costs of the successor deterrent capability will be in the region of £15 billion to £20 billion, at 2006-07 prices, for a four-boat fleet. This comprises £11 billion to £14 billion for the submarines, £2 billion to £3 billion for the possible refurbishment or replacement of the warhead and £2 billion to £3 billion for infrastructure.

On current plans, we will be in a position to release more up-to-date costs later this year after the final Initial Gate paper has been considered.

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