John Boyd may be the most remarkable unsung hero in all of American military history. Some remember him as the greatest U.S. fighter pilot ever-the man who, in simulated air-to-air combat, defeated every challenger in less than forty ...

From the earliest days of his thirty-four-year military career, Victor "Brute" Krulak displayed a remarkable facility for applying creative ways of fighting to the Marine Corps. He went on daring spy missions, was badly woun...