Dan Lipinski

On this Veterans Day, let us remember the service of our veterans, and let us renew our national promise to fulfill our sacred obligations to our veterans and their families who have sacrificed so much so that we can live free.

I hope that we can continue this cooperation on other critical issues related to America's future technological competitiveness. We must work together to encourage the creative talents that have made our country the world leader in technology.

Supplying fuel for a Mars expedition from the lunar surface is often suggested, but it's hard to make it pay off - Moon bases are expensive, and just buying more rockets to launch fuel from Earth is relatively cheap.