World War II saw the first generation of young men that had grown up comfortable with modern industrial technology go into combat. As kids, the GIs had built jalopies in their garage and poured over glossy, full-color issues of Popular Mechanics; they had read Buck Rogers in the Twenty Fifth Century comic books, listened to his adventures on the radio, and watched him pilot rocket ships in the Saturday morning serials at the Bijou. Tinkerers, problem-solvers, risk-takers, and day-dreamers, they were curious and outspoken--a generation well prepared to improvise, innovate, and...