douglas hurley, aka chunky, was born in 1966, and he says he remembers watching the sky lab missions between cartoons growing up as a kid. we also have the only female, sandra magnus, born in 1964, from belleville, illinois. and she said it was a great life living in the suburbs, if you will, but having the access to the cities and being able to have a part of this history in her life is incredible. they're all expressing the same thing, this is a humbling experience for them, and they are so honored to be the crew of this final shuttle mission. i love that. and last but not least, a friend of "news nation," rick waldheim, who was on with us as well. from san carlos, california, worked as a flight test engineer for four years before applying to nasa and he was accepted on his second try. never giving up. and he says persistence is what has kept him going. >> i was in houston interviewing the crew for this mission. i was in the training simulator in which they train people, astronauts to ride the shuttle into space. every time i've interviewed crew members, they are such an exceptiona