Hypersonic Weapons (Library Binding) (ISBN-13: 9798348056865)

In 1949, the US Army built a rocket that reached hypersonic speed--five times the speed of sound. Since then, militaries around the world have been working to develop even faster missiles. Hypersonic weapons travel so fast that they are hard to control, but they are also hard for opposing militaries to stop. Learn more about this cutting-edge technology that is becoming more common on battlefields.