The Future of War makes a brilliant case that the twenty-first century, even more than the twentieth, will be the American century, and that America's global dominance will be associated with a revolution in weaponry and warfare as basic as the one that arose with the development of gunpowder five hundred years ago. From the era of flintlocks and cannons to the day of automatic weapons and heavy artillery, the waging of war-while undeniably changing in many aspects-has continued to rely on the technology that began with the use of black powder to expel a projectile through a...