Will we mine He3 on the moon?
Will we just do deuterium-deuterium fusion because the fuel is abundant and the output is good-enough?
Will we source tritium from… where?
Will we mine He3 on the moon?
Will we just do deuterium-deuterium fusion because the fuel is abundant and the output is good-enough?
Will we source tritium from… where?
Fuel availability will be the chief driver. Terrestrially we will shift to hydrogen for portable energy.
Space now becomes a game of finding water.