The last minutes of the countdown before the last manned mission to the moon lifts off from Cape Kennedy for the mountains of Taurus Littrow.
James Burke and Patrick Moore report the spectacular night launch live from the pad at Cape Kennedy.
With them Astronaut James Lovell, the commander of Apollo 13 and, looking forward to today's flight, the crew of Apollo 17: Commander Gene Cernan, Command Module Pilot Ron Evans and Lunar Module Pilot Harrison H. Schmitt
Launch due: 02.53 GMT