I'm a guy who stared up, glassy eyed (mostly because I was a kid in the middle of a serious sunstroke) as Armstrong stepped down that ladder, I had my plastic model of the Saturn V and scrapbook after scrapbook of the Apollo missions,so I guess you could call me a fan of exploration, science, engineering - all the things that had to come together for that moment to happen, but I honestly think those days are gone or at least disappearing. Two things end up driving exploration - a romantic ideal of the need to know, and the chance for someone to make a whack of cash. I think like after the "discovery" of North America, it's the investors that will drive the future of space. Nobody with any control over the sort of money this is going to cost believes that we are genuinely on the edge of destroying Earth - no "Interstellar scenario" is forthcoming - so what it will end up being is profit. Mining, most likely. As robotics advances the arguments are fewer and fewer for putting humans in harm's way. Maybe Mars will end up being on the list, my bet is the asteroid belt, though.