In order to build a space station on the moon we need fuel, this guy believes he can lead an expedition with just enough fuel to make it the south pole of the moon where he will then mine enough hydrogen to propel the expedition back to earth. "Bill Stone, a maverick cave explorer who has plumbed Earths deepest abysses, discusses his efforts to mine lunar ice for space fuel and to build an autonomous robot for studying Jupiters moon Europa." <object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/-Bn6Gel7yEs&hl=en&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/-Bn6Gel7yEs&hl=en&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object> @11 Min - Moon Expedition
You know I have found in general, that when you plan to have "just enough", it really isn't that good of a plan.
