HMS L21

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HMS L21 was a British L class submarine built by Vickers, Barrow-in-Furness. She was laid down on 15 September 1917 and was commissioned on an unknown date.

L21 was sold in February 1939 but became stranded on the way to the breakers.


[edit] References

  • Submarines, War Beneath The Waves, From 1776 To The Present Day, by Robert Hutchinson