According to information published by the Royal Navy on June 14, 2021, submarine hunters on HMS Northumberland honed their skills during a four-day fight in the fjords. The Plymouth-based frigate tested her mettle against the Norwegian Navy – in waters its submariners know like the back of their hands.
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| Ula-class HNoMS Uredd submarine (Picture source: Petr Smerkl, Wikipedia) |
