§ Mr. HancockTo ask the Secretary of State for Defence what is the displacement of the Vanguard class of submarines. [66172]
§ Mr. SpellarThe displacement of Vanguard class submarines, when submerged, is about 16,000 tons.
§ Mr. HancockTo ask the Secretary of State for Defence what is the anticipated hull life of the Trafalgar class of submarines. [66667]
§ Mr. Doug HendersonThe initial design life of Trafalgar class submarine hulls was 25 years, although there is sufficient margin to extend the life of the submarines as necessary, subject to monitoring to ensure the continuing safety of the submarines.