Britain's Prince William, who is second in line to the throne, has successfully undertaken his first mission as a Royal Air Force search and rescue helicopter co-pilot, lifting an ill worker from an off-shore gas rig, his office said on Tuesday.
Germany's Nick Heidfeld will race for Williams this season alongside Australian Mark Webber.
Brazilian Rubens Barrichello will begin a new chapter in his record-breaking Formula One career next year as a Williams' driver alongside German rookie Nico Hulkenberg.
