With a number of new plans emerging to take humans to the moon and Mars, the question of affordable transportation remains. Our guest, Chris Lewicki—CEO of Planetary Resources, has a solution. The asteroid-mining company plans to drastically reduce the cost of deep space missions by refueling launch vehicles in space with water extracted from asteroids. Their technology enables rockets bound for Mars, and other destinations, to carry five times more cargo than what’s possible today, without simply building larger vehicles. In this episode we're discussing asteroid mining, how it works, the market opportunity, and who's going to pay for this water.