Growing up, I was fascinated with Buck Rogers' airplanes. As I began to mature in World War II, it became jets and rocket planes. But it was always in the air.

Ray Bradbury is one who is contributing to the understanding of the imagination and the curiosity of the human race.

I really hate to be put in the position of trying to justify something, a decision that was made. I'm a military guy: when a decision is made, I go along with it, whatever the manufactured controversy and criticism.

Globalisation means many other countries are asserting themselves and trying to take over leadership. Please don't ask Americans to let others assume the leadership of human exploration. We can do wonderful science on the Moon, and wonderful commercial things. Then we can pack up and move on to Mars.