The Trafalgar Class submarines feature improved speed and endurance and are fitted with retractable forward hydroplanes and a strengthened fin for under ice operations. Diving depth is designed to be in excess of 300m.
The first of class, SSN13 HMS Trafalgar has a propeller and can readily be distinguished by her taller rudder. Laid down in 1979 and launched on July 1st 1981, she commissioned in 1983. Trafalgar became the trials submarine for Spearfish heavyweight torpedoes now fitted to all boats of the class in addition to their Tigerfish Mk 24 Mod 2 torpedoes and Sub Harpoon Block 1C missiles. Submarine mines can also be carried in lieu of torpedoes.
SSN14 HMS Turbulent was ordered in 1978, laid down in 1980,
