BREVARD, Fla. — NASA astronaut Frank Rubio and Russian cosmonauts Sergey Prokopyev and Dmitri Petelin are confronted with extending their keep aboard the World House Station via a number of months and would require a brand new trip house after their Russian MS-22 Soyuz spacecraft sprang a leak remaining month.
The trio was once intended to make use of that spacecraft to go back to Earth in March. Wednesday, NASA and Russian house officers unveiled a plan to release an empty Soyuz pill to the ISS to ferry them again as a substitute. That implies the 3 males will spend a number of extra months on the ISS.
All the way through a briefing with newshounds, NASA’s Joel Montalbano, supervisor of the World House Station program, stated that NASA isn’t making an allowance for the move-up within the MS-23 Soyuz release a rescue venture. “We aren’t calling it a rescue Soyuz,” stated Montalbano. “At this time, the workforce is protected onboard the distance station.”
“I am calling it a alternative Soyuz,” he stated. “There is no fast want for the workforce to come back house as of late.”
Prolonged house keep
To start with set to fly the following rotation of Russian cosmonauts to the station in mid-March, the MS-23 Soyuz spacecraft is now being repurposed to release as an empty lifeboat to ferry the MS-22 workforce house later this 12 months. The empty spacecraft is ready to release from Baikonur Cosmodrome in Kazakhstan on Feb. 20.
Flying the MS-23 workforce up as in the past deliberate would have left the ISS in the similar state of affairs, with extra folks on board than to be had seats on functioning spacecraft to evacuate again to Earth within the not going tournament of a disaster.
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That implies that Rubio, Prokopyev, and Petelin will want to lengthen their house keep till September or till Roscosmos can construct any other Soyuz spacecraft to release its subsequent rotation of workforce participants, which at the moment are caught grounded for longer than expected.
Consistent with Montalbano, the distance station stays protected, and the workforce participants are wholesome sufficient to stay in house whilst this plan performs out.
“They are ready to stick till the September release date, if that is the case,” stated Montalbano. “If that release date strikes up previous, then they are ready to come back house previous.”
Jokingly, he stated: “I could have to search out some extra ice cream to praise them.”
“The superior factor about our crews are they are prepared to lend a hand anywhere we ask,” he stated. “They’re able to move with no matter determination that we give them.”
A Russian house leak
The MS-22 Russian Soyuz spacecraft that transported Rubio, Prokopyev, and Petelin to the station again in September sprang a leak on Dec. 14. Coolant from an exterior coolant loop and radiator at the spacecraft spewed into house for hours simply as Prokopyev and Petelin have been making ready to habits a spacewalk. Out of an abundance of warning to stop any publicity to the leaking substance, the spacewalk was once canceled.
On Dec. 18, NASA used the station’s robot arm, Canadarm2, to offer pictures and habits an extra exterior inspection of the broken spacecraft.
After a joint investigation carried out via NASA and Roscosmos, the distance businesses are assured that the wear was once brought about via a micrometeoroid affect that ended in a hollow of about one millimeter in diameter within the coolant loop.
Whilst it was once decided that the leak posed no fast risk to the station or workforce, it left the MS-22 Soyuz spacecraft incapable of returning the trio of astronauts house safely.
The broken coolant loop intended that the temperature and humidity throughout the cabin of the Soyuz spacecraft may just skyrocket, making for an excessively uncomfortable and claustrophobic go back travel house, in most cases taking about six hours to finish.
The trail ahead
As a substitute of returning workforce as anticipated, kind of two weeks after the alternative MS-23 Soyuz docks on the station, the broken MS-22 spacecraft might be equipped as a shipment delivery send. NASA and Roscosmos intend to assemble information concerning the stipulations throughout the cabin because the spacecraft makes its travel again for a touchdown in Kazakhstan in mid-to-late March.
“At the returning Soyuz, we will be taking some temperature measurements to measure how the automobile does on this state of affairs such that if we ever had a necessity one day, we’ve got some further information,” stated Montalbano. “We are going to absolutely use this automobile all of the means until it lands again on Earth.”
Additionally talking to newshounds on Wednesday, Sergei Krikalev, Roscosmos director of human house flight, stated, “At this level, we’ve got calculations and thermal situations, however we need to turn out this calculation with the end result (in) real-time.”
Going ahead, this may occasionally perhaps affect the busy agenda of workforce and load missions to the station for the remainder of this 12 months. The way it affects particular venture release dates, akin to NASA’s subsequent crewed venture, SpaceX’s Staff-6, which was once to release from Kennedy House Middle in mid-February, has but to be absolutely decided.
“We are going to take the following couple of weeks to more or less lay out the plan,” stated Montalbano. The shift is anticipated to affect a minimum of 4 crewed missions and two shipment resupply missions to the station via a minimum of September.
“Laying the entirety out is what we are going to plan now. We simply desire a couple extra weeks to put all that out,” Montalbano stated.
This newsletter in the beginning seemed on USA TODAY NETWORK: Astronaut workforce wishes new Russian spacecraft to come back house after harm