21in Mark VIII Torpedo

21 inch torpedoes are a British design from the first and second Weltkriegs. They are extremely deadly and accurate if a bit slow. The Mark VIII was the single most produced version, as it was used on practically every British Navy ship during the entire war, seeing saw heavy action in the Atlantic and the Pacific. Most of the torpedoes produced have a crude acoustic guidance system. By modern standards, the Mark VIII is somewhat obsolete, but it is still a formidable guided weapon