Hypersonic weapons have captured military and media attention as the next frontier in modern warfare, but the technology is far more nuanced than headlines suggest. While speeds exceeding Mach 5 offer genuine tactical advantages—compressed reaction times and challenging thermal management—recent combat experience reveals they’re not invulnerable. Ukraine’s interception of Russian Kinzhal missiles demonstrates that existing defense systems can be effective with proper sensors and interceptors. As Russia, China, India, and the U.S. race to develop advanced hypersonic capabilities, the real question isn’t whether these weapons are unstoppable, but how international competition will shape their strategic role in future conflicts.