The Coalition government is embarked upon a ‘strategic’ security and defence review but Trident renewal has apparently been decided in advance and excluded from it. In taking this stance the government claims to be doing no more than agreeing with and continuing the policy of the previous Labour administration. But this isn’t good enough. As the Secretary of State for Defence responsible for committing Labour to the renewal of Trident in 2007, I know how much the world has changed since we made our original renewal decision.

In recent years we have endured and are now dealing with the consequences of the worst financial crisis since the 1930s. Treasury statements to the effect that the full cost of Trident will now have to be met out of the core defence budget rather than from a Treasury reserve set aside for Trident as a ‘national strategic asset’ have enormous implications for the rest of our defence capability. There is no way of examining the necessary trade-offs between nuclear and conventional capability in this defence review if Trident is left out of the process.

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