BREVARD COUNTY, Fla. — NASA has delayed the launch of Crew-4 to allow teams more time to finish pre-launch activities.

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Astronauts now won’t lift off for the international Space Station until no sooner than April 23.

Crew-4 will launch from right over Pad 39-A, the same spot where the first private mission to the ISS lifted off last week.

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NASA astronauts Jessica Watkins, Bob Hines and Kjell Lindgren and European astronaut Samantha Cristoforetti went into quarantine last week ahead of their mission.

NASA’s fourth operational mission to ISS under its Commercial Crew program was adjusted to give mission teams time to complete final prelaunch processing for the Crew-4 mission following the April 8 launch of Axiom Mission 1, the first all-private astronaut mission to the ISS.

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NASA anticipates there will still be time for a brief handover to Crew 4 before Crew 3 splashes down.

The flight readiness review for Crew-4 is scheduled for Friday.

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