BREVARD COUNTY, Fla. — NASA’s Crew-4 astronauts have arrived at the Kennedy Space Center ahead of their long-duration science mission to the International Space Station.

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The crew is scheduled to lift off as soon as Saturday morning from Pad 39-A at the Kennedy Space Center.

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Now the crew can begin its final preparations for the launch.

Overnight Tuesday into Wednesday, the crew will take part in a dry dress rehearsal ahead of the launch.

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Kjell Lindgren, Bob Hines, Samantha Cristoforetti and Jessica Watkins make up NASA’s fourth operational mission under the Commercial Crew program. They are set to lift off atop a SpaceX Falcon 9 on a brand-new Crew Dragon named Freedom as soon as 5:26 p.m. Saturday.

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VIDEO: The Crew-4 launch has been delayed. Here’s when to look up now The Crew-4 launch has been delayed. Here’s when to look up now

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