Ferries, Tankers, Frigates - "Made in Canada": Craftsmen of Lauzon, Québec, carry on their forefathers' shipbuilding skills. Caviar Comes from Canada's Queerest Fish: Much in demand for export markets, sturgeon provide a profitable business for fishermen of the upper Ottawa River and for Mrs. Harry Donaldson of Temiscaming, who processes caviar. New Aircraft Joins Maritime Command: The Royal Canadian Air Force tests and approves the electronically equipped Neptune, the new medium-range aircraft of the Maritime Air Command.