HMS S1

Two Royal Navy ships have been called HMS S1:

  • HMS S1 (1914), launched in 1914, was the lead boat in her class of submarines.
  • HMS S1 was originally an experimental submarine, HMS Swordfish, the only member of her class and launched in 1916. The submarine was converted to a surface patrol boat in 1917 and renamed HMS S1.

References

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  • Colledge, J. J.; Warlow, Ben (2006) [1969]. Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.