By Jeffrey Kluger
March 27, 2015

It took Scott Kelly, Mikhail Kornienko and Gannady Padalka less than nine minutes to drive to work on Saturday. That’s the easy part. The hard part is that Padalka won’t punch out for six months; for Kornienko and Kelly, it will be a year.

MORE: Watch the Trailer for TIME’s Unprecedented New Series: A Year In Space

Their office, of course, is the International Space Station (ISS). And their drive began at 3:42 p.m. ET Friday, or 1:42 a.m. Saturday in Kazakhstan, where their Soyuz rocket lifted off from the Baikonur Cosmodrome, en route to space. The 510-second sprint to low-Earth orbit will be followed by a six-hour chase, in which the Soyuz will slowly gain ground on the station, finally docking at about the same time people in Kazakhstan will be arriving at their decidedly more prosaic places of business.

TIME will be covering Kelly’s mission in the new series, A Year In Space. Watch the trailer here.

Write to Jeffrey Kluger at jeffrey.kluger@time.com.

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