We choose to go to the moon. We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.

President John F. Kennedy, September 12, 1962, at Rice University, Houston, Texas

Phil Bowermaster and Stephen Gordon reflect on the 41st anniversary of Apollo 11 and talk about new frontiers for the human adventure.