The four-person astronaut crew -- two NASA astronauts, a Russian cosmonaut and Japanese astronaut -- boarded SpaceX's Dragon capsule sitting atop its Falcon 9 rocket at NASA's Kennedy Space Center and blasted off at 11:43 a.m. ET. They will arrive at the ISS on Saturday.

It’s a last-minute weather scrub for SpaceX’s latest crew launch for NASA. Clouds rolled in and prompted SpaceX to call off Thursday’s planned liftoff of four astronauts to the International Space Station.

An international crew of four astronauts launched toward the International Space Station from Florida on Friday aboard a SpaceX rocket, beating gloomy weather to embark on a routine NASA mission that could be the first of many to last a couple months longer than usual.