US feels the heat as Russia, China race ahead in hypersonics

The United States is developing satellite system to track hypersonic weapons. Pentagon said the advanced satellites will be able to better track hypersonic threats. The US is feeling the pressure as Russia and China are pressing ahead with hypersonics. The new satellites will enable the U.S. to detect the launch, follow the hypersonic missile as it changes course, calculate where it is heading and provide data to forces who can launch interceptors. Watch the video for more.