A new Chinese weapon concept is causing a stir in the defense world. It’s called the GDF-600, a hypersonic boost-glide vehicle that doesn’t rely on power to stay in the air. Instead, it reaches insane speeds—up to Mach 7—and carries a variety of dangerous payloads, like supersonic missiles, drones, and even special munitions designed to perform different tasks during a strike. This innovative design could bring huge advantages in modern warfare, but it also introduces many challenges, especiall...