In the years that have followed, the space race inspired a generation of scientists and innovators, including, I'm sure, many of you. It's contributed to immeasurable technological advances that have improved our health and well-being, from satellite navigation to water purification, from aerospace manufacturing to medical imaging. Although, I have to say, during a meeting right before I came out on stage somebody said, you know, it's more than just Tang -- and I had to point out I actually really like Tang. I thought that was very cool.