Did the Pilgrims on the Mayflower sit around Plymouth Rock waiting for a return trip? They came here to settle. And that's what we should be doing on Mars. When you go to Mars, you need to have made the decision that you're there permanently. The more people we have there, the more it can become a sustaining environment. Except for very rare exceptions, the people who go to Mars shouldn't be coming back. Once you get on the surface, you're there.
Buzz AldrinMars has a bit of air pressure; maybe we can build up that atmosphere to be a bit more accommodating to humans.
Buzz AldrinEveryone who's been in space would, I'm sure, welcome the opportunity for a return to the exhilarating experiences there.
Buzz Aldrin