Successor Submarine Assessment Phase

Thursday 3rd March 2016 Written Statements

[The Minister for Defence Procurement (Mr Philip Dunne)]

The Government were elected with a manifesto commitment to build a new fleet of four successor ballistic missile submarines. On 23 November 2015, the Government announced in the strategic defence and security review (SDSR) that the Successor submarine programme would cost £31 billion, and that the first boat was expected to enter service in the early 2030s. We will also set a contingency of £10 billion.

As part of his statement on the SDSR, the Prime Minister announced that we needed to implement a number of changes to the Successor submarine programme, which included plans to invest more than £600 million in the design phase.

I am today confirming our plans to invest £642 million to supplement the current Successor assessment phase of £3.3 billion. This will bring the total assessment phase commitment to £3.9 billion as announced in the SDSR, and will provide a sound foundation for the next phase where we will be taking a staged investment approach.

The assessment phase has identified the need to invest now to prepare for an efficient and effective submarine build. The £642 million will be spent on facilities at BAE systems in Barrow, essential long lead items for the four submarines and the nuclear propulsion programme.

In the UK, a number of key suppliers directly support the delivery of the Successor submarine programme who, in turn, depend heavily on a network of hundreds of sub-contractors. The Government’s further investment in preparation for a four boat Successor fleet should be welcomed by all suppliers as helping to secure vital skills for the UK in the long term.

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