What would happen if there was a freak accident in which that the ISS needed to be evacuated and there was ONLY one space craft available?
Carrying that to an even greater extreme, what would happen if there was a freak accident in which the ISS needed to be evacuated and no space craft was available? For example, suppose two human-qualified vehicles are ...
The crew of the nonfunctional spacecraft would have to wait
escape capability until a Soyuz replacement or a Shuttle arrives (either of which could
take days to months depending on timing).
(Nowadays read Crew Dragon for Shuttle)
Final Report of the ISS Independent Safety Task Force p.52
By design that will never happen. There are always enough return seats for the crew.
This is exactly why
the whole crew of one of the visiting vehicles gets in it whenever it undocks, even when it is only being moved from one docking port of the station to another
the crews retreat to their vehicles in fire / leak / toxic atmosphere emergencies
the crews ...
Yes, there is a lot of Space legacy left behind and many used systems are not properly preserved in Russia and other CIS countries, I think through the right channels one might be able to acquire it. Complications could arise if the nation which would be purchasing might not yet possess the technology as well as any other political barricades.
Also if one is ...
The descent vehicles of the Soyuz spacecraft are approximately half reusable. The most expensive structural elements are reused. Therefore, the cost of a used descent vehicle is high. However, sometimes these descent vehicles are sold.
Technik Museum Speyer in 2010 acquired Soyuz TM-19.
CITE DE L'ESPACE in Toulouse, France in 2017 tried to acquire ...