Charles Duke

I think a Moon base is not necessary to get to Mars, but I think it will be helpful. It would give you a chance to develop and mature some systems; long duration, deep space stuff; and you're close enough to get some help, via radio from Earth.

I don't think of people as black or white. It's a question of are they photogenic or not? I don't think anyone says, 'Let's book her. She's black.' I think they say, 'Let's book her. She's good.' We've come that far.

In sharp contrast to the idea that this stage of life is enviable, we hear high levels of anxiety about getting old, anxieties about health, mobility, access to facilities, simple routine care and attention.