Soyuz MS-23 was an uncrewed Russian Soyuz spaceflight that launched from Baikonur on 24 February 2023 to the International Space Station to replace the damaged Soyuz MS-22 spacecraft for landing that NASA astronaut Francisco Rubio and Roscosmos cosmonauts Sergey Prokopyev and Dmitry Petelin launched onboard on 21 September 2022 and had a coolant leak on 14 December before returning to Earth uncrewed on 28 March 2023.

Soyuz MS-22 was a Russian Soyuz spaceflight to the International Space Station with a crew of three launched from Baikonur Cosmodrome on 21 September 2022. The launch, previously planned for 13 September 2022, was subsequently delayed to 21 September 2022 for a mission length of 188 days.