I know you're all saying I can go to the moon but I can't find Pasadena.

And I think that still is true of this business - which is basically research and development - that you probably spend more time in planning and training and designing for things to go wrong, and how you cope with them, than you do for things to go right.

I realized up there that our planet is not infinite. It's fragile. That may not be obvious to a lot of folks, and it's tough that people are fighting each other here on Earth instead of trying to get together and live on this planet. We look pretty vulnerable in the darkness of space.

Of course I was delighted the flight was over, but I still had to worry about cleaning up inside the cabin, I had to worry about the hatch, how to get in the sling, and so on.

We need a continuing presence in space.

Whether you are an astronomer or a life scientist, geophysicist, or a pilot, you've got to be there because you believe you are good in your field, and you can contribute, not because you are going to get a lot of fame or whatever when you get back.

We worked with the engineers in the design and construction and testing phases in those various areas, then we would get back together at the end of the week and brief each other as to what had gone on.