We need to have people up there who can communicate what it feels like, not just pilots and engineers.

Before deciding what to do about national space policy, Obama set up an outside review panel of space experts, headed up by my friend Norm Augustine, former head of Lockheed Martin and a former government official.

Look at what Silicon Valley has done - the advance of computers.

Many say exploration is part of our destiny, but it's actually our duty to future generations and their quest to ensure the survival of the human species.

When you're in a spacecraft, you need to know what things you can touch and what things you shouldn't touch!

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.

Unfortunately, kids are led to believe things are easier to achieve than they really are.