My family has always supported my activities, whether it was doing combat in Korea, flying progressively and challenging fighter-jet aircraft in Europe, or studying for a doctor's degree at MIT. They have been always very supportive and understanding of the challenges and risks involved in my career. A family needs to work as a team, supporting each other's individual aims and aspirations.

We feel that this stands as a symbol of the insatiable curiosity of all mankind to explore the unknown.

Mars has been flown by, orbited, smacked into, radar examined, and rocketed onto, as well as bounced upon, rolled over, shoveled, drilled into, baked and even blasted. Still to come: Mars being stepped on.

My Sunday mornings are spent in a recovery meeting in Pacific Palisades.

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.

I am definitely not rich.