notice extreme contrast of the two. enterprise is spiffy and white. it never flew in space. discovery scorched and worn from its 39 missions. that's the way they want it to look when they put it in the museum later today. gregg: looks bruised and battered and worse for wear but what a workhorse she was. doug, shut ills are part of the past for now. what is the future of manned spaceflight? >> reporter: there is interesting exhibit here. a tent beyond us. we shot video there a little while ago of the next generation of manned spacecraft for nasa. it is the orion spacecraft. it looks similar to the apollo capsule. a little bit bigger, twice as big as that. capable of holding four people. it will be the craft that makes the mission to mars. although i couldn't imagine being inside something that size for the six-month duration of it. but already, this is not a concept. it is a real spacecraft. it is already undergone