We were looking at about $10 K per kg to orbit, and we could barely make the economics work. It looks like SpaceX is offering $4 K. [0] Presumably, reusable lau

We were looking at about $10 K per kg to orbit, and we could barely make the economics work. It looks like SpaceX is offering $4 K. [0] Presumably, reusable launch vehicles will drop his costs another order of magnitude, but they shouldn't actually be necessary to make this sort of system viable. [0] http://space.stackexchange.com/questions/1989/what-is-the-current-cost-per-pound-to-send-something-into-leo http://space.stackexchange.com/questions/1989/what-is-the-cu...