Integrated Review: Defence Command Paper

I am afraid that I cannot, at the Dispatch Box, tell people about the credibility of our nuclear deterrent in detail, because to do so would undermine its security. However, I can assure the hon. Lady that we keep it under review, and as we announced last week, it is important to increase the warheads in stockpile—which still makes us the lowest of the declared nuclear powers—to make sure it remains credible.