Hypersonic missile successfully test-fires by Russia
Days after next-generation arms named "an ideal weapon" unrevealed by President Vladimir Putin, Russia successfully test fires a hypersonic missile. Russia's ministry of defence made this announcement. High-precision Kinzhal (Dagger) missile, one of an array of new weapons unveiled by Putin, was launched from a MiG-31 supersonic interceptor jet. The missile is said to be 10 times the speed of the sound.