Filmed at Simonstown in South Africa.
Practice torpedo shoot on HMS Calcutta. C/U of navy personnel wearing some kind of gas masks preparing to launch a torpedo. Shot of the torpedo being launched and travelling towards another ship.
"Torpedoes are too expensive to be left floating...
Navy Cadets at training on H.M.S. Caledonia.
Various shots of HMS (H.M.S) Hood, the £6,000,000 warship.
HMS Cumberland undergoes "Pre-Wetting" trials - a new radioactivity protection process.
HMS Thunderbolt arriving to unknown British port.
Dr Evatt visits HMS Shropshire and addresses crew.
Shots of battleship H.M.S. 'Renown'.
Footage of the battleship HMS 'Rodney'.
Model of ship HMS 'Implacable'.