LSs of tugboat towing troopship out of harbour, side view of ship, ferry in foreground. PAN along large group of British Navy officers, including King George V in center. MS PAN along British Navy officers aboard ship. LS of convoy at sea. Shots of bow of ship from mast, of periscope of submarine at sea, sailors firing deck gun. LS of periscope wake. MS of battleship at sea. Rear shot of cunning tower of submarine, British sailors at their post. Sequence on muzzle of deck gun firing, torpedo speeding in water, LS of smoke and fire in the distance. Shots of activity inside a gun turret, sailors loading gun, of deck guns firing (same as NFB1910-FG-14-73). Shots of warship sailing heavy seas, of convoy at sea, of camouflaged troopship in harbour, of vessel exploding, of submarine S-49 diving, of cargo ships exploding, flames and much smoke. Shots aboard British ship showing deck guns firing, ship following camera ship, sailors filing past on deck in oil skin raicoats, man waking up comrade in cabin, bearded captain looking out of wheelhouse (same as NFB1910-FG-14-73), PAN across huge gun turrets, of King George V shaking ship's officers hands.