I inherited depression from my mother's side of the family. Her father committed suicide. She committed suicide the year before I went to the moon.

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

By venturing into space, we improve life for everyone here on Earth - scientific advances and innovations that come from this kind of research create products we use in our daily lives.

Like actors and writers who are on and off again in terms of employment, I had a very unstructured life.

I'm sure the most favorite airplane in my career would still be the Sabre F86 cleft wing , which allowed me to be credited with 2 Russian-built Mig-15 destroyed during the Korean War. Where I was in 1953.

The way I see it, commercial interests should manage a lunar base while NASA gets on with the really important task of flying to Mars.

I feel we need to remind the world about the Apollo missions and that we can still do impossible things.