HMS E21

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HMS E21 was a British E class submarine built by Vickers, Barrow-in-Furness. She was laid down on 29 July 1915 and was commissioned on 1 October 1915.

HMS E21 was sold on 14 December 1921.

[edit] References

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