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When a mission to the ISS ends and the astronauts/cosmonauts shall leave the ISS with the Soyuz/Dragon spacecraft, what if an astronaut refuses to enter the Soyuz? What if he/she wants to remain on the ISS? Does he have a right to do so, or would his mates have to force him with violence to enter the docked spacecraft? Is there a procedure for the case an astronaut is unwilling to return to Earth?


marked as duplicate by Mark Omo, Hobbes, GdD, Organic Marble, Dr Sheldon Oct 26 '18 at 18:47

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    $\begingroup$ Possibly relevant: What would happen if a mutiny occurred on the International Space Station? $\endgroup$ – Dan Pichelman Oct 26 '18 at 17:29
  • $\begingroup$ My question is not a duplicate of "What would happen if a mutiny occurred on the International Space Station?" I know that question, and it doesn't deal with an astronaut refusing to return from the ISS. My question deals with this particular situation. $\endgroup$ – user27822 Oct 26 '18 at 17:47
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    $\begingroup$ Isn't "refusing to leave" just one expression of mutiny? $\endgroup$ – Don Branson Oct 26 '18 at 18:05
  • $\begingroup$ Not precisely. There were two "mutinies" in the history of spaceflight: Apollo 7 and SkyLab 4. Neither had to do with wanting to stay in space longer / forever. I wanna know about this particular situation, e.g. whether the astronaut has a right to stay on the ISS longer or forever. $\endgroup$ – user27822 Oct 26 '18 at 18:09
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    $\begingroup$ Refusing to leave on schedule would certainly be mutiny; it might under very unusual circumstances also be a valid request for political asylum. $\endgroup$ – Russell Borogove Oct 26 '18 at 18:51

I doubt there's an explicit procedure to follow in this case, but such a crew member would doubtless be physically forced to return.

Any crew member who would refuse to return would be untrustworthy and an obvious danger to the other crew members. Leaving that person on the ISS would be far too dangerous.

The seats on spacecraft going up and down to and from the station are allocated years in advance. Assuming the rogue crew member hoped to return to Earth eventually, they'd have to bump a future astronaut from coming up in order to have a seat free to return; I doubt any other crew member would acknowledge a right for them to do that given how hard every one of them worked for their seat.

Assuming that the other crew members were able to physically overpower the rogue crew member, duct tape would be employed to "mummify" them and secure them to their seat in the Soyuz to avoid any risk of them interfering with the return flight.

The only scenario I can imagine in which case the other crew members might conceivably allow someone to stay aboard ISS is if the astronaut was claiming political asylum because they feared they would be killed by their home country after their return to Earth.

In your hypothetical, if a Russian cosmonaut didn't want to return to Russia, but another return method was available (e.g. a Crew Dragon landing under US authority instead of Soyuz landing under Russian authority) I could conceive of the ISS crew agreeing to an exchange of crew slots in order to save a life, but it's certain that all of the crew members who went along with the scheme would face severe career consequences -- none would ever fly to space again (at least 4 US astronauts lost their flight privileges for much more minor offenses (Carpenter on Mercury-Atlas 7; Schirra, Eisele, Cunningham on Apollo 7)). Given the current US administration's spineless deference to Russia, the cosmonaut would be well advised to try and stay aboard at least until January 2021.

  • $\begingroup$ Thank you. But what if the astronaut wants to stay on the ISS forever? And it also interests me what if he/she wants to land in another country (e.g. a Russian cosmonaut who refuses to return to Russia but would like only to go to America with the Crew Dragon? Would he have a right to do so? $\endgroup$ – user27822 Oct 26 '18 at 17:51
  • $\begingroup$ An astronaut who wants to stay on the ISS forever is taking up resources that should be supporting another astronaut; their refusal to obey orders makes them a danger to the station. I'll edit my answer to address your hypothetical. $\endgroup$ – Russell Borogove Oct 26 '18 at 18:38
  • $\begingroup$ Hmmm, I don't think an astronaut who's mentally stable but refuses to return to your planet will be beaten and mummified on the ISS. And if it's an American, it's his/her consititutional right to stay there and remain unharmed, isn't it? Thank you for your answers and expand your question perhaps. $\endgroup$ – user27822 Oct 26 '18 at 18:43
  • $\begingroup$ ISS Medical Checklist, Behavorial - Acute Psychosis - Emergency nasa.gov/centers/johnson/pdf/163533main_ISS_Med_CL.pdf $\endgroup$ – Organic Marble Oct 26 '18 at 18:45
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    $\begingroup$ There is no constitutional right to live aboard a space station, or, more generally, to squat in a US government facility. The local authorities (i.e. those astronauts who are following instructions from the ground) would be empowered to evict the rogue. $\endgroup$ – Russell Borogove Oct 26 '18 at 18:45

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