Matthias Maurer has spent years preparing for the mission to the International Space Station.
It's the fourth time that NASA is teaming up with Elon Musk's company SpaceX.
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Astronauts Return to Earth Via SpaceX Dragon Capsule With a Broken Toilet
4 astronauts are now safely back on Earth after nearly 200 days in space. Veuer's Tony Spitz has the details.
Veuer