Russia has said it has successfully test-launched the 3M22 Zircon hypersonic cruise missile from a submarine for the first time. The Russian Navy’s nuclear-powered Yasen class submarine Severodvinsk carried out the missile testThis is a major development since this is the first time ever that a hypersonic cruise missile has been fired from a submarine by any country.Yasen class with Zircon is a lethal combination and gives Russia a capability that is not possessed by any other country.In this video Defense Updates discusses why the successful launch of the Zircon missile from Yasen class attack submarine is alarming news for the U.S?