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Strategic Defence and Security Review

I thank my right hon. and learned Friend for his question. As a lifelong supporter of Britain's independent nuclear deterrent and someone who wants us to have a full service replacement, I wanted to make absolutely sure that we would have continuous at-sea deterrence and that there would be no break between the Vanguard submarines and what will follow. I am satisfied from all the evidence I have seen that that is what we will get. The reason that we have been able to do that is that the Vanguard submarines have been operating for longer. We now know about their life extension and what is possible. It is possible to continue with the independent nuclear deterrent and its replacement without a break in capability.