What if space operations are always crew members?

Medical support, emergency evacuation.

1. medical security: when astronauts encounter health problems, they will receive medical training and bring necessary medical equipment and medicines. There will be medical experts on board to provide remote guidance if necessary, and ask the ground control center for help if necessary.

2. Emergency evacuation: In extreme cases, when the life of the crew is in danger and seriously threatened, it is necessary to evacuate urgently. Both space capsule and manned spacecraft are equipped with escape capsule or return capsule, which can be used to return to earth from space station and spacecraft.