La marine est là (The British navy in action): several shots of convoy in the distance, individual warships escorting convoy, of parts of camera warship. LS of corvette firing depth charges, charges exploding. LSs of troopships, freighters, escorting destroyers. LAS of troopship and of soldiers lining railings, sitting in lifeboats. Troopship with a North African city in the background. Various shots of soldiers disembarking, of ships being unloaded, supplies being manhandled by Arab dockworkers. Various shots of vehicles being unloaded, a Churchill tank rolling past the camera. LAS of large cranes unloading coal. ESTABLISHING SHOT of harbour, ships at piers, city in the background. Sequence on ships firing skyward, with CUs of antiaircraft batteries firing, dive bombers in extreme distance diving. Cuts to explosions in the water, to plumes of smoke from direct hits. Sequence on burning tanker, tremendous flames, black smoke billowing up. LSs of burning ship after she has been towed out of harbour. Night LSs of burning ship. Shots of night barrages gun flashes, silhouettes of ships and men. Morning shots of hull of tanker still smoking. MS of ship battery firing at hull to sink it. ESTABLISHING SHOT of harbour with many warships at anchor. Shots of ships, freighters, destroyers submarines. City in the background in some shots. Sunset at the end of the sequence.