Astronauts working for the government will always need to be either pilots or mission specialists. Those who want to be pilots should have military experience - ideally, a test pilot background.

Mars is there, waiting to be reached.

I think it's inevitable that there will be Earthlings establishing a presence on Mars. And I would say that it would certainly take place by 2050 or shortly thereafter.

There may be aliens in our Milky Way galaxy, and there are billions of other galaxies. The probability is almost certain that there is life somewhere in space.

To move forward, what's required is a unified space agenda based on exploration, science, development, commerce, and security.

I grew up in a country that I thought was special. And it was.

American greatness was elevated significantly after Sputnik.