Barack Obama: “America will need to lead the world to long-term exploration of the Moon and Mars.”

Helped lead some of the most significant movements for change in human history

That's what I hope every visitor to this center takes away from their experience.

That was fantastic. I was a little tall for it.

We’ve now fought a war, spent billions and billions of dollars, you know, put enormous strain on our military. A lot of people have died. And it feels like we’re back where we were before we started the war, except maybe a little bit worse…