after the war ended, an engineering section of the nuclear weapons program became known as the sandia laboratoryand sandia became america's first atomic bomb factory. man: i realized if i joined sandia, i would be working on atomic bombs, and that was okay with me. we were driven by the fear of the soviet union. you couldn't talk about what you did outside of the tech area, but you could feel a sense of, "this is the number one national priority." schlosser: the early atomic bombs were essentially handmade, and if you wanted to use one, it would take days for a team of 20 or 30 people to put it together. my computer was a slide rule. you ever seen a slide rule? anybody? we pressed and pressed to improve the early product to make it smaller and more deadly. anything we conceived of the military wanted, and money was free. schlosser: as the technology improved, as the number of nuclear weapons in our arsenal increased, there were soon assembly lines for making nuclear weapons. we had bombers in the air at all times loaded with nuclear weapons. we had submarines that had missiles carrying nuclear w