They know by where they’re launched from, by what launches them, where they travel, the speed they travel, their size and I would be certain other technical indicators that radar operators see during their launch/during the take off of launch aircraft and their flight.
The Kinzal, a.k.a. the Shitzal, Putins wunderwaffe turns out to be as ineffective as is 2nd (rate) army of the world and his Black Sea fleet.
