Hypersonic Missiles Are Unstoppable. And They're Starting a New Global Arms Race. By R. Jeffrey Smith

MUST READ! Jeffrey Smith is the managing editor for national security at the Center for Public Integrity ,  A hypersonic prototype now under development in the U S flies at speeds between Mach 15 & Mach 20 - more than 11,400 miles per hour. Putin has likewise claimed that one of Russia’s new hypersonic missiles will travel at Mach 10 & Mach 20. If true, that would mean a Russian aircraft or ship firing near Bermuda could strike the Pentagon,800 miles away, in 5 minutes.  " While it might not be too late to change course, history shows that stopping an arms race is much harder than igniting one. And Washington at the moment is still principally focused on “putting a weapon on a target.” Trump's  lack of interest in regulating hypersonics isn’t that different from its predecessor’s. Obama privately “made it clear that he wanted better options to hold North Korean missiles” at risk"