When most people imagine what war in the Taiwan Strait might look like, scenes out of eastern Ukraine in 2022 or even Normandy in 1944 tend to come to mind. Picture transport ships from China facing incoming anti-ship missiles; missile strikes blowing holes in airfields and key military installations; hilltop-to-hilltop fighting over rugged mountainous terrain; and urban warfare amid the skyscrapers of densely populated cities. If Washington came to Taiwan’s aid in the event...