At London's Heathrow Airport, two centuries of postal transport line up. An 18th century mail stagecoach, which used to run between London and East Anglia, alongside Concorde. London postman Dennis Eyres, hands over the first supersonic Datapost pouch to Concorde captain Leo Budd. The Post Office's Datapost service flies daily by Concorde to New York, making it the swiftest in History