to bring my own sandwiches, ed. >> well, i would imagine they have something packaged up for them, seeing that these former nasa guys there, they know how to do this, right? >> yes, they do know how to do this. and you know what? they can pull this off. the way they plan to do this is by using existing technologies. and they're planning to use the infrastructure that is currently being built by the new commercial space ventures like spacex and others that are coming on line to fill in some of the international space station supply needs and things of that sort. and of course spacex is developing a heavy lift launch vehicle that could take payloads up to the moon. so this makes a lot of sense because you don't have to go through the great expense of building up the whole system to start with. >> so you have 36 hours on the moon and two spacewalks. what do you do on the moon? >> oh, there is so much to do on the moon. it's largely unexplored. you know, we looked at a very small amount of the surface of