British S class submarine
Encyclopedia
Two classes
Ship class
A ship class is a group of ships of a similar design. This is distinct from a ship-type, which might reflect a similarity of tonnage or intended use. For example, the is a nuclear aircraft carrier of the Nimitz class....

 of submarine
Submarine
A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

 of the Royal Navy
Royal Navy
The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 are known as the S class:
  • The S class
    British S class submarine (1914)
    The British S class submarine of 1914 were built by Scotts, Greenock just before World War I. The S class was based on an Italian design of the Laurenti boats.The design had ten internal bulkheads.Three vessels were constructed...

     of three submarines launched in 1914–1915 and transferred to the Regia Marina
    Regia Marina
    The Regia Marina dates from the proclamation of the Kingdom of Italy in 1861 after Italian unification...

     in 1915.
  • The S class
    British S class submarine (1931)
    The S-class submarines of the Royal Navy were originally designed and built during the modernisation of the submarine force in the early 1930s to meet the need for smaller boats to patrol the restricted waters of the North Sea and the Mediterranean Sea replacing the British H class submarines...

    of sixty-two submarines launched in the 1930s and 1940s.
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