What is it, I wondered, that makes a man willing to sit up on top of an enormous Roman Candle, such as a Redstone, Atlas, Titan, or Saturn rocket, and wait for someone to light the fuse? I decided on the simplest approach possible. I would ask a few astronauts and find out ... to put into words matters that the very code of the pilot rules off limits in conversation. These matters... add up to one of the most extraordinary and most secret dramas of the twentieth century.
