Military commanders turn tactics into strategic victory by means of "operational art," the knowledge and creative imagination commanders and staff employ in designing, synchronizing, and conducting battles and major operations to achieve strategic goals. Until now, historians of military theory have generally agreed that modern operational art developed between the first and second world wars, not in the United States but in Germany and the Soviet Union, whose armies were supposedly the innovators and greatest practitioners of operational art. Some have even claimed that U.S. forces struggled...