By refocusing our space program on Mars for America's future, we can restore the sense of wonder and adventure in space exploration that we knew in the summer of 1969. We won the moon race; now it's time for us to live and work on Mars, first on its moons and then on its surface.

Because of his military service, Dad was buried in Arlington National Cemetery.

There's no guarantee that the United States will be around 200 years from now.

It was designed to have an impact on the stalemate over Mutually Assured Destruction with the Soviet Union. Us reaching the moon convinced Gorbachev and other leaders that the Soviet Union couldn't compete with the U.S., so they revised their agenda. But people have short memories.

To move forward, what's required is a unified space agenda based on exploration, science, development, commerce, and security.

Save the taxpayer's money by canceling the Ares 1 and V.

I don't go through life verbalizing what I feel.