Hypersonic Missiles - What Are They?

CNN's John Defterios looks at what our tools would be if we were actually going to get into a conflict with China. He says the hypersonic missiles that are out there have no practical purpose. They can already overwhelm our air defenses if they really want a launch, like a full scale i c b m attack on us. And then you have your hyperosonic crews missiles, which are just crews missiles with a real batash scram jet attached to em.