Almaz-Antey’s Chief Designer Pavel Sozinov told TASS that the S-300V4 air defense missile system can now engage targets up to 400km away.
By Vitaly V. Kuzmin (http://vitalykuzmin.net/?q=node/384) [CC BY-SA 3.0 or CC BY-SA 3.0], via Wikimedia Commons
“That means that Airborne early warning and control aircraft, including AWACS, will now be unable to enter the 400-kilometer zone without repercussions,” he added.