LV. The Comet III aeroplane taking off. SV. Aircraft workers watching. SV. Nose of Comet III. CU. Jet engines. SV. Test pilot John Cunningham at microphone - lead for voice. CU. Cunningham saying (natural sound): "The Comet III, when they go into passenger service, should be most thoroughly tested aircraft airline in service". SV. Pan, Comet III taking off. CU. Aircraft workers looking up. Air to air, CU. Comet III in flight. Angle shot, Comet III.