[readams]

They'd be great for the Moon though.

[patwolf]

Makes me think of "The Moon Is a Harsh Mistress", where the moon went to war with earth by catapulting rocks.

[gmueckl]

A military moon base could lay waste to any area on earth that way. There will definitely be a new moon race once a permanent moon base becomes sustainable. I don't see how the existing space treaties can survive past that point.