Dr Julian Lewis: What sort of signal does it send to Iran and other hostile would-be proliferators that our nuclear deterrent could be put at ransom in the event of another hung Parliament, as a result of our not having signed the key contracts and the hostility towards the replacement of Trident evinced by the Liberal Democrats?

[The Secretary of State for Defence (Dr Liam Fox): The Government remain committed, including in the coalition agreement, to the renewal of our nuclear deterrent. As I am sure my hon. Friend would expect, I will be campaigning to ensure that the next Parliament is not a hung Parliament, but one in which we have a minority – [ Interruption ] – a majority Conservative Government.]