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First female submariners in Royal Navy's 110-year history

5 May 2014 Last updated at 09:13 BST

Three women have become the first female submariners in the 110-year history of the Submarine Service.

Lieutenants Maxine Stiles, Alexandra Olsson and Penny Thackray earned their "Dolphins" after months of training, including operations on HMS Vigilant.

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