With the hatch closed at 0441 GMT on 27 September 2023, Soyuz MS-23 undocked from the Prichal module of the International Space Station (ISS) at 0754 GMT with Roscosmos cosmonauts Sergey Prokopyev, Dmitri Petelin and NASA astronaut Frank Rubio onboard.
Soyuz MS-23 had a parachute-assisted landing on the Steppe of Kazakhstan, 145 km southeast of the town of Dzhezkazgan around 1117 GMT on 27 September 2023. The crew originally docked at the ISS in September 2022 onboard Soyuz MS-22 the craft which later experienced a loss of coolant whilst docked at the station in December 2022. Soyuz MS-23 was sent uncrewed to the ISS in February 2023 as a replacement with Soyuz MS-22 which later undocked and landed successfully uncrewed in March 2023.
The crew returned after 371 days in space following the extension to their mission. Frank Rubio, becomes the new record holder for the longest single United States spaceflight surpassing the former record of 355 days held by NASA astronaut Mark Vande Hei.