The company had planned to send the four-person Crew-10 mission toward the International Space Station (ISS) atop a Falcon 9 rocket from Kennedy Space Center in Florida this evening at 7:48 p.m. EDT (2348 GMT). About 45 minutes before liftoff, however, SpaceX called the attempt off due to a hydraulics issue with the transporter-erector, the structure that hauls the Falcon 9 to the pad and supports it once it's there.
The problem involved a clamp arm on the transporter-erector, NASA officials said during the agency's launch webcast today. There were no issues with Crew-10's Falcon 9 or its Crew Dragon capsule, named Endurance.
It wasn't immediately clear when SpaceX would try again to launch Crew-10. But NASA announced late tonight that the next attempt would come Friday (March 14), at 7:03 p.m. EDT (2303 GMT).
The Crew-10 astronauts are McClain and pilot Nichole Ayers (both of NASA), JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi and Kirill Peskov of Russia's space agency Roscosmos.
The quartet will head to the International Space Station for a roughly six-month stay. They'll relieve four other astronauts — NASA's Nick Hague, Suni Williams and Butch Wilmore and cosmonaut Aleksandr Gorbunov, who will come back to Earth a few days after Crew-10 docks.
Williams and Wilmore arrived at the ISS in early June on the first crewed flight of Boeing's Starliner capsule. Their mission was supposed to last just 10 days or so, but problems with Starliner's thruster system extended their stay repeatedly. NASA ultimately decided to bring Starliner home uncrewed and put Williams and Wilmore on SpaceX's Crew-9 capsule for the ride home.
That capsule, named Freedom, reached the ISS in late September with Hague and Gorbunov aboard. NASA took two other astronauts off the Crew-9 launch to open up seats for Williams and Wilmore on the journey back to Earth.
Source: www.space.com
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