I was the first Navy, Marine or Air Force person who had been an astronaut to return back to the Air Force. I had certain expectations about what would be a reasonable and desirable position to be assigned to after my years of service.

I shot down two airplanes in Korea, so I wasn't a slouch.

The life expectancy of people going to Mars may be decreased by the higher level of radiation that they receive.

If you want poets in space, you'll have to wait.

Save the taxpayer's money by canceling the Ares 1 and V.

The surface of the moon is like nothing here on Earth! It's totally lacking any evidence of life. It has lots of fine, talcum-powderlike dust mixed with a complete variety of pebbles, rocks, and boulders. Many pebbles, fewer rocks, and even fewer boulders naturally make up its surface. The dust is a very fine, overall dark gray. And with no air molecules to separate the dust, it clings together like cement.

People communicate in Twittering ways. I've learned how to do that.