Bill Nelson: “Letter dated January 3, 2017 from Elizabeth B. Thompson, President, Environmental Defense Action Fund.”

This is a watershed moment for planetary defense and all of humanity.

In the parlance of the South, this dog doesn't hunt.

NASA has proven we are serious as a defender of the planet.

Our decision is that it is more profitable for us to go to the South Pole of the Moon, because we think that is where the water is.