Mars could very well be a staging location for the resources of the asteroid belt. We have to learn how to get a payback somewhere, but it's beyond Mars that the real payoff will come from minerals.

I was lucky enough to have been born on this planet earth, in this admirable country of the United States of America.

Is the destiny of the human species to sit back and play with our mouse and computer and imagine, fantasize?

I want to keep on the move, keep stimulated and challenged.

We can't start over and develop a Saturn 5-type vehicle from scratch.

The way I see it, what is going to come out of the moon activities is a respect for U.S. leadership.

Don't waste your time on beaming people up or down. Instead, consider gravity waves as advanced physics of the universe that could be used to travel interstellar distances.