BOATING SHOT of ice on Saint Lawrence River, ship fixtures in foreground. PAN of broken ice from starboard bow of icebreaker ship Norman McLeod Rogers to stern. BOATING SHOT of ice, reflection of faint sun on it. Interior shots of engine room, no one about. Shots of rotating main shaft. Cut to interior of bridge, crewman looking into radarscope, helmsman at his post, captain looking out of window. Shot of icy river looking forward, side of ship at right frame. Vertical HAS along bow, of splashing water, breaking ice. Boating shots of water, pieces of ice, on Lake Saint Pierre in Quebec.