Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA’s oldest serving astronaut Don Pettit became a septuagenarian while hurtling towards the Earth in a spacecraft to wrap up a seven-month mission aboard the International Space Station (ISS).

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Russian cosmonauts Alexey Ovchinin and Ivan Vagner and NASA astronaut Donald Pettit arrived in Kazakhstan after completing a 220-day mission in space.