when they heard about the progress icon had made with their first houses in austin, corky clinton traveled i spent a lot of my time going around and looking at the size of the beads and how they went around the corners. i was impressed. >> impressed enough that nasa gave icon development money in 2020 and then two years later, a $57 million contract. >> welcome to spacelab. this is where we figure out how to build on other worlds. >> ballard and evan jensen explain the fundamental challenge. >> to bring an object roughly this size from earth to the moon surface would be $1 million. think -- >> wait. that size would be $1 million? >> correct. with current technology, this would take $1 million to deliver to the lunar surface. think of how many we would need. to do landing pads, roads. we will never have a moon base if we bring everything with us. it was okay during the apollo program to bring things with us. we weren't staying. we were coming home. if we want to stay, we have to learn to live off the land. >> you have to learn to build it there and use the materials from there. >> that's ri