I agreed with the prevailing opinion in the Labour Party about nuclear weapons; I went on ban-the-bomb marches in the 1960s and I have not changed my mind about nuclear deterrence since. But I found it hard to accept the Labour Party's policy that required the exclusion of nuclear-powered ships. Given that nuclear energy exists it is the intention behind its use that matters. The weapons are made to destroy and we have to learn to live without them. The rest may be useful if properly managed. The management is an environmental issue and the inevitable exclusion of nuclear-powered vessels was not an appropriate basis for our foreign policy.

David Lange, My Life (2005).