HMS Valiant (S102)
The sixth, and most recent HMS Valiant was the second of Britain's nuclear-powered submarines, and the first of the two-unit Valiant class. She was ordered on 31 August 1960, laid down 22 January 1962, launched on 3 December 1963 by Lady Thorneycroft, and finally entered service 18 July 1966.
Read more about HMS Valiant (S102): Operational History