NASA-SpaceX Delays Falcon 9 Mission to Bring Back Stranded Astronauts Sunita Williams, Butch Wilmore Over Technical Issue

Originally set for today's liftoff from Florida's NASA Kennedy Space Center, the mission was scrubbed fewer than an hour before liftoff when a hydraulic problem struck a ground support clamp arm attached to the rocket.

SpaceX has delayed the scheduled launch of its Falcon 9 rocket, which is supposed to carry a crew of four astronauts to the International Space Station (ISS) and enable NASA astronauts Sunita Williams and Butch Wilmore, who have been waiting for their return trip to Earth.

Originally set for today's liftoff from Florida's NASA Kennedy Space Center, the mission was scrubbed fewer than an hour before liftoff when a hydraulic problem struck a ground support clamp arm attached to the rocket.

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NASA and SpaceX announced the postponement of the Crew-10 mission, which was to relieve Williams and Wilmore on the ISS. The delay was caused by a failure in one of the support arms holding the Falcon 9 rocket at Launch Complex 39A.

SpaceX admitted the postponement in a social media update, saying, "Standing down from tonight's launch opportunity of @NASA's Crew-10 mission to the @Space_Station," formally announcing the scrubbed launch.

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In spite of this setback, NASA and SpaceX are optimistic that the mission can still launch in the next few days. There are backup launch opportunities on Thursday and Friday, and if the hydraulic problem is solved in time, the mission can go ahead later this week.

The Crew-10 mission will carry NASA astronauts Anne McClain and Nichole Ayers, as well as Japan Aerospace Exploration Agency (JAXA) astronaut Takuya Onishi and Roscosmos cosmonaut Kirill Peskov, who will relieve Williams and Wilmore on the ISS.

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After the launch was cancelled, the astronauts cleared the Dragon spacecraft safely, and the rocket has been secured.

This delay impacts the timely return of Williams and Wilmore, whose prolonged stay on the ISS is now further extended because of the technical issue. NASA had envisioned a rapid turnaround of the SpaceX Crew Dragon to maximize the use of resources at the ISS, and an accelerated launch is therefore important for station operations.

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