A surprise Chinese cyberattack or electromagnetic pulse takes out the U.S. military‘s communications systems, while a massive artillery bombardment targets American ships and fighter jets in the Pacific. Within days or perhaps just hours, the People’s Liberation Army (PLA) has crippled the defenses of the U.S. and its regional allies and has laid the groundwork for a rapid amphibious invasion of Taiwan. Having studied the U.S. for years, Chinese military planners execute a near-perfect strategy that relies on simultaneous attacks in multiple domains — including hypersonic weapons traveling at mind-blowing speeds through space — to systematically compromise America’s defenses, limit...