BOATING SHOT of periscope ploughing through water, PAN to minesweeper sailing along coast. BOATING SHOT pacing minesweeper, buoy being launched, periscope of buoy ploughing through water. Shots of RCN officers standing on bridge of ship, looking into binoculars. LAS of flags being hauled to mast, radar scanner revolving in background. Shots of seamen manoeuvering on ship's deck.