Backbone of Britain's fleet: War on Tape goes on board sub-killer HMS Richmond

HMS Richmond has been sailing the world on behalf of the Royal Navy for three decades. When the British designed her, it was the middle of the Cold War and they wanted a submarine killer to face down Russia.Nowadays, she is just as likely to be found in the Middle East shooting down drones as she is prowling the frozen waters of the north Atlantic.War on Tape went aboard to find out how this warship has adapted, and why she’s still the backbone of the British fleet.