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Russia to Send Spacecraft to Space Station to Bring Home Crew

Russia said Wednesday that it will send an empty spacecraft to the International Space Station next month to bring home three astronauts whose planned return vehicle was damaged by a strike from a tiny meteorite.

The Russian space agency, Roscosmos, made the announcement after examining the flight worthiness of the Soyuz MS-22 crew capsule at the space station, which sprang a radiator coolant leak in December.

Roscosmos and NASA officials said at a joint press briefing that an uncrewed Soyuz spacecraft, MS-23, would be sent to the station February 20 to bring Russian cosmonauts Dmitry Petelin and Sergei Prokopyev and NASA astronaut Frank Rubio back to Earth.

“We’re not calling it a rescue Soyuz,” said Joel Montalbano, the space station program manager at NASA’s Johnson Space Center in Houston. “I’m calling it a replacement Soyuz.

“Right now, the crew is safe onboard the space station,” he added.

MS-22 flew Petelin, Prokopyev and Rubio to the space station in September. They were scheduled to return home in the same spacecraft in mid-March.

But MS-22 began leaking coolant on December 14 after being hit by what U.S. and Russian space officials said they believed was a micrometeorite.

“Everything does point to a micrometeorite,” Montalbano said.

Sergei Krikalev, executive director of human space flight programs at Roscosmos, said the “current theory is that this damage was caused by a small particle about 1 millimeter in diameter.”

Krikalev said the decision to use MS-23 to fly the crew home was made because of concern over high temperatures in MS-22 during reentry.

“The main problem to land the current Soyuz with crew would be thermal conditions because we lost heat rejection capability,” he said. “We may have a high temperature situation on Soyuz in the equipment compartment and in the crew compartment.”

Montalbano said discussions were also underway with SpaceX officials about potentially returning one or more crew members on the SpaceX Crew Dragon capsule currently docked with the space station.

Four astronauts were flown to the station by a SpaceX rocket in October for a mission expected to last about six months.

“We could safely secure the crew members in the area that the cargo normally returns on the Dragon,” Montalbano said.

“All that is only for an emergency, only if we have to evacuate ISS,” he stressed. “That’s not the nominal plan or anything like that.”

Krikalev said MS-22 would return to Earth after the two cosmonauts and the NASA astronaut leave on MS-23. It would bring back equipment and experiments that are not “temperature sensitive,” he said.

Soyuz MS-23 had been initially scheduled to fly Russian cosmonauts Oleg Kononenko and Nikolai Chub and NASA’s Loral O’Hara to the space station on March 16.

Space has remained a rare venue of cooperation between Moscow and Washington since the start of the Russian offensive in Ukraine and ensuing Western sanctions on Russia.

The space station was launched in 1998 at a time of increased U.S.-Russia cooperation following the Cold War space race.

Russia has been using the aging but reliable Soyuz capsules to ferry astronauts into space since the 1960s.

Source: Voice of America