The same reason why we need bases in Antartica.
If we don't establish the bases for peaceful purposes, then the door is open to someone else to establish bases for not so peaceful purposes.
Geopolitical gain.
Space/Science » in reply to Can anyone explain why we need a lunar colony?
If we don't establish the bases for peaceful purposes, then the door is open to someone else to establish bases for not so peaceful purposes.
Geopolitical gain.