HONEST MILK
by
I suppose you could do it on the moon, Mars is to far. There is titanium there according to some. However, how do you mine it? Smelt it? Shape it into rods? Get it off the surface into earth orbit? Itsoldhickory is right: it's just cheaper to nuke em.
Heh, reminds me of an old Benny Hill joke: 'What do you get when you mix beans and onions? - Tear Gas.'