Shot of jet engine mounted on chassis, three technicians preparing it for tests, removing intake block, replacing safety screen. CU of intake of jet engine, rotor blades turning rapidly. CU of technician balancing pencil on engine being tested to illustrate lack of vibration of engine. Front MLS of workers at work in large draftroom. CUs of man at work at drafting table, of two men discussing plans, of artist's conception of the CF-100 Canuck jet night fighter. Various shots of two civilian men and three Royal Canadian Air Force officers discussing blueprints in AV Roe plant at Malton, Ontario.