This is a fully powered missile flying the the regime of mach 12, fully powered throughout flight, again this is not aero ballistic missile, or glider, or sm3 with warhead on top. Not air missile powered for some seconds and gliding to zone of impact.
This is a fully powered cruise missile, flying mach 9+ with revolutionary characteristics in terms of fuel, material science, and control systems.
Remember the USA bought the X-31 for it's own testing. This missile is from the 1970s and flew mach 3.5, the US got it in the 1990s and it was really old Soviet technology that US wanted to test it's own air defenses, they simply did not have the ability to build a supersonic anti ship missile.
For this reason, the US is with Harpoon, or some variant of NSM, which is nothing comparable to 3m22 Zircon, and the Zircon-M is already in Russian hands, with 1500km range and mach 12 powered flight regime.
Remember the US is struggling with detachment of AEROballistic, Quasi ballistic missiles, ARRW , which for Russia has been done since X-58. Kinzhal of course is quasi ballistic maneuvering , aero dynamic missile, but this is still not a fully powered, hypersonic aShm.
Dark horse or eagle or whatever last second improvisation cooked up by Pentagon is most likely some variation of SM3 with a glider or something on top. Gliders represent a very crude form of the hypersonic missiles, which S500 can solve as of 2018.
This is not a true hypersonic , fully powered, maneuvering missile like zircon.
Zircon is the result of decades of testing, of the Malakhit, Moskit, Granit, Vulcan, Onyx, missiles which quite simply the US never was able to catch up to, they rely on the subsonic Harpoon and Tomahawk for firing solution, they simply will not come up with even a supersonic anti ship missile for at least 20 more years.
Zircon strength will be wave riding mach 9+ flight, with a steep dive several hundred kilometers from target, performing insane maneuvers, efficiently purging fuel from scramjet. Phalanx, Goalkeeper, SM3, SM6, RIM, all those such missiles will simply be unable to fix Zircon for firing solution.
This missile has changed the course of naval warfare as we know it, the challenge to the psychology of the opposing sailors, will be immense. They cannot hide from lightning, and the worse part of this is, when Yasen is letting these rip from 1500km.
The entire Japanese, Turkish, NATO navies can be decimated within minutes of firing.
We have entered the stalkerzone of naval warfare.