Sequence on jet engine being built on assembly jig, compressor rotor being lowered onto mount, part of Orenda jet motor on jig, combustion chamber and drive axle being added to motor. Shot of men in control room at AV Roe plant, testing jet engines. MS of two Royal Canadian Air Force pilots in G suits climbing into CF-100 Canuck at night, Avro technicians looking on in foreground. LAMS of two men at work on Orenda jet engine in hangar.