Meet Astronaut on Track to Beat Scott Kelly's Record for Days in Space

March 17, 2016 5:25 PM

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Stockbyte/Thinkstock(NEW YORK) -- An American astronaut who is set to launch on the Russian Soyuz spacecraft on Friday is on track to break Scott Kelly's record to become the American who has spent the most cumulative days in space.

When Jeff Williams finishes his six-month mission, the veteran astronaut will have racked up 534 career days in space -- beating Kelly's lifetime total of 520 days, according to NASA.

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