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.

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

I'm sure the most favorite airplane in my career would still be the Sabre F86 cleft wing , which allowed me to be credited with 2 Russian-built Mig-15 destroyed during the Korean War. Where I was in 1953.

The guys who walk on Mars are going to be historic.

The final frontier may be human relationships, one person to another.

I've been to the Titanic in a yellow submarine and the North Pole in a Russian nuclear ice breaker.

Weve got to go [back to the moon]. But we dont want to stay too long. ... The ultimate goal is Mars.