Malta convoy: various shots of freighters, warships in a Malta convoy. MS of one main battery of camera warship firing. Cut to LS of warship firing. Cut to MLS of explosion in water. CU of water streaming by the side of the camera ship. Sequence on ships steaming around, warships laying the smoke screens, forging through heavy swell. Shots of a barrage, gun flashes in dusky air, at night. CU of pom-pom firing rapidly. ELS of ships in convoy and cut to comparatively LS of explosion in water. GTA of ack ack puffs. Several day shots of warships firing, of merchantmen, of flags being hoisted in signal.