My right hon. Friend is making a powerful speech, and I am interested in his comments on rebuilding our air defences. Is he as encouraged as I am by the announcement last week of the combat air strategy? Does he also agree that, given the enormous cost of modern aviation programmes, we will have to look at doing one of two things? We will either have to take a very serious strategic look at what kind of aviation military capacity we want and then to plan accordingly or, if we want full-spectrum military capability, it will ultimately mean more money.