David Beckham joined forces with the Prince of Wales to celebrate smashing a £15 million target to replace London’s ageing air ambulance helicopters.William invited the former England football captain to get into the cockpit of one of the two new aircraft that will help ensure the vital service for Londoners continues for years to come.Beckham met the prince at RAF Northolt in west London, where the two new helicopters were on display next to the aircraft they replaced.