Duke opens new manoeuvring tank and watches submarine escape exercise on HMS Dolphin.
Out takes (rushes, cuts) for story DREADNOUGHT in CP 688
Great footage of life on board the nuclear powered submarine HMS Dreadnought.
Britain's first atomic submarine Dreadnought goes on trial in the Mediterranean.
Dreadnought, first nuclear-powered submarine sets out on trials from Barrow-in-Furness.
Nuclear submarine HMS Churchill launched at Barrow-in-Furness.
Queen Mother launches first all British A-submarine.
Queen opens rebuilt Guildhall at Portsmouth and visits Submarine Command a HMS Dolphin.
Queen Elizabeth II launches Britain's first nuclear submarine.
First pictures of officers and ratings below decks of atomic submarine HMS Dreadnought.