US intelligence reports: Russia’s new hypersonic weapon will likely be ready for war by 2020
"...Sources familiar with the U.S. intelligence reports assess that the Russian hypersonic glide vehicles are equipped with onboard countermeasures that are able to defeat even the most advanced missile-defense systems. The weapons are also highly maneuverable and, therefore, unpredictable, which makes them difficult to track..."
Reference: www.cnbc.com .