For many centuries, the job of everyday soldiers, the "grunts," was the same-"see the hill, take the hill." But the combat role of today's U.S. soldier has undergone a radical change. The recent revolution in the art of soldiering in America emphasizes a smaller, but more highly specialized and technologically equipped, armed force. Now, even everyday soldiers in America's armed forces specialize in elite combat skills that use the very latest high-tech...