Oldest serving US astronaut parachutes back to Earth on his 70th birthday

Don Pettit gives the thumbs up as he is carried to a medical tent shortly after landing (Picture: AP)An astronaut marked his seventieth birthday by strapping into a spacecraft and zooming back to Earth at over 800kph.
Don Pettit began his eighth decade in space on the International Space Station, where he spent 220 days for his most recent stint.
He spent the rest of his birthday travelling back in a Soyuz MS-26 capsule, alongside two Russian cosmonauts who were also ready to return.They squeez