Uncrewed Replacement Soyuz Launches to the Space Station

The Soyuz MS-23 spacecraft lifted off from the Baikonur Cosmodrome in Kazakhstan at 7:24 p.m. EST.
The Soyuz MS-23 spacecraft lifted off from the Baikonur Cosmodrome in Kazakhstan at 7:24 p.m. EST.

The uncrewed Soyuz spacecraft is safely in orbit headed for the International Space Station following launch at 7:24 p.m. EST Thursday, Feb. 23, from the Baikonur Cosmodrome in Kazakhstan.

After a two-day journey, the unpiloted spacecraft will dock automatically to the Poisk module’s space-facing port at 8:01 p.m. Saturday, Feb. 25. NASA coverage of rendezvous and docking will begin at 7:15 p.m. on NASA Television, the NASA app, and the agency’s website.

This new Soyuz will replace the Soyuz MS-22 spacecraft following a radiator coolant leak Dec. 14, 2022. The Soyuz MS-22 transported NASA astronaut Frank Rubio and Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin to the space station last September. The three crew members will return to Earth on the new Soyuz MS-23 later this year.

The damaged Soyuz MS-22 is scheduled to undock from the station in late March and return to Earth for an uncrewed parachute-assisted landing in Kazakhstan, and post-flight analysis by Roscosmos.


Learn more about station activities by following the space station blog, @space_station and @ISS_Research on Twitter, as well as the ISS Facebook and ISS Instagram accounts.

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