Description: I. Mines pass along a loading pier. HA.MS as train of mines arrives, and the locomotive is detached and connected to an empty line of trolleys. MS profile of mines passing along the pier - camera pans left to pier arm whence the train of mines closes on camera.
II. MS of HMS Hedingham Castle underway in calm sea. HA.MSs from bridge to Squid projector firing from focsle of corvette - camera pans to follow trajectory and holds on explosions and surface disturbance - projectiles on deep depth (one charge faulty) and surface settings (all three explode). Various MCUs showing loading procedure - Squid DC taken from loading hatch, transferred on a dolly to the projector, positioned, firing key removed, and rammed home, fuze lead connected and mounting elevated.
III. Aerial MS profile of RN Fairey Firefly 1A (note RDF beneath fuselage) with undercarriage lowered and retracted. Camera aircraft climbs to give HA view. Countryside below.
IV. Portside MS profile of HMS Cadiz under way, making black smoke. Cadiz at anchor, makes smoke - pan to upper works of HMS St James, making white smoke. MCU, St James' funnel. MLS as Battle Class destroyers steam in line abreast. MS profile, HMS Cadiz (see ADM 677).
V. HA.MS from bridge of (?) 'J' Class destroyer, as B turret fires over starboard bow.