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IPFS News Link • Space Travel and Exploration

Why SpaceX has to wait until Saturday for its next try to launch astronauts for NASA


This SpaceX diagram shows the many steps it takes to get Crew Dragon to the International Space Station on the Demo-2 mission.

Elon Musk's company was poised Wednesday afternoon (May 27) to launch Demo-2, a crucial test mission that will send NASA astronauts Bob Behnken and Doug Hurley to the International Space Station (ISS) aboard a Crew Dragon capsule. But the weather didn't cooperate, forcing SpaceX to cancel Crew Dragon's planned liftoff atop a Falcon 9 rocket with less than 20 minutes left in the countdown.

The next available launch opportunity doesn't come until Saturday, at 3:22 p.m. EDT (1922 GMT). That's when the space station will be in the desired place relative to NASA's Kennedy Space Center in Florida, Demo-2's launch site, explained Hans Koenigsmann, SpaceX's vice president of mission assurance.

Full coverage: SpaceX's historic Demo-2 astronaut launch explained