The plane routinely flies at altitudes over 70, 000 feet, requiring the pilot to wear a full pressure suit, much like an astronaut.

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Baumgartner's team built him a special pressurised capsule to protect him on the way up, and for his descent he wore a next generation, full pressure suit made by the same company that prepares the flight suits of astronauts.

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Hence the need for that full-pressure suit.

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