>>> .. I don't think anyone seriously believes the manned exploration of Mars will turn any profit. I think this will be the most profitable enterprise mankind

>>> .. I don't think anyone seriously believes the manned exploration of Mars will turn any profit. I think this will be the most profitable enterprise mankind has ever seen. A earth full of mineral wealth untouched, available for whoever can lay their hands on. If spaceX was trading today I would buy its stock in a blink and hold on to it for the next 50 years.