Are not we entitled to be told the whole truth, as revealed by Greenpeace, which is that the total lifetime cost of Trident will be more than £23 billion? About half that could be saved if Trident were cancelled now. Instead of extravagant spending on such an unnecessary weapons system, will the Secretary of State now make the peace dividend a reality by cancelling Trident and investing the money in areas such as education and the national health service?