When Boeing's new Starliner spacecraft docked with the International Space Station (ISS) earlier this year, the two NASA astronauts on board discovered several minor faults in its propulsion system, leading to a much longer than expected stay on the ISS. This led to headlines about the astronau...
SpaceX regularly sends civilians to the International Space Station and on free-flying missions. Most of these people have not been subjected to the rigorous psychological tests that Shuttle astronauts receive. Boeing's Starliner, SpaceX's Starship, and other vehicles will, in the not...