3M22 Zircon - Wikipedia
The missile represents a further development of the Hypersonic Experimental Flying Vehicle (HELA) developed by NPO Mashinostroyeniya.. In April 2017, it was reported Zircon had reached a speed of Mach 8 (6,100 mph; 9,800 km/h; 2,700 m/s) during a flight test. Zircon was again test-fired on 3 June 2017, almost a year earlier than had been announced by Russian officials.