China has successfully tested a hypersonic missile, a weapon the US has yet to acquire. While the US has been developing its own hypersonic missile technology, it’s also been developing ways to defend against China’s. So far America’s greatest weapon against them is … balloons?! In this episode of America Uncovered, we look at why balloons are being developed to defend against hypersonic missiles, what kinds of balloons are being developed, and what their capabilities could be.