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To move forward, what's required is a unified space agenda based on exploration, science, development, commerce, and security.
It's so astounding the amount of sacrifice the astronauts have to go through to do what they do and all the science involved in space exploration.
You don't go into space just for the science. Economically, it is not worth it. I think the reason we should be in space is for the exploration; it's the human endeavour.
Science fiction was rocket-mad for about 40 years until aerospace hit a brick wall about 1970. I would not write off space colonisation or exploration completely, but we are profoundly ill adapted for going boldly into outer space.