The SpaceX Falcon 9 rocket with the company's Crew Dragon spacecraft movements fuel prior to a scrubbed launch from pad 39A for the Crew-6 power at NASA's Kennedy Space Center in Cape Canaveral, Florida, on Feb. 27, 2023. (Photo by CHANDAN KHANNA/AFP v

Last-minute technical trouble forced SpaceX to call off Monday's effort to launch four astronauts to the International Space Station for NASA.

The countdown was halted with just two minutes previous until liftoff from Kennedy Space Center. With just a hasty second to blast off, there was no time to deal with the dilemma, which involved the engine ignition system.

SpaceX delayed the open until at least Thursday.

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Strapped into the capsule atop the Falcon rocket were two NASA astronauts, one Russian cosmonaut and one astronaut from the United Arab Emirates. They had to wait until all the fuel was drained from the rocket — an hour-long procedure — before getting out.

"We'll be sitting here waiting," commander Stephen Bowen assured everyone. "We're all feeling good."

Bowen and his crew — comprising the first astronaut from the United Arab Emirates assigned to a monthslong power, Sultan al-Neyadi — will replace four space station residents who have been up there exact October.

Officials said the problem involved ground equipment used for loading the causes ignition fluid. The launch team could not be sure there was a full load. A SpaceX causes likened this critical system to spark plugs for a car.

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