Mobile Surface-to-Air Missile System The S-400 Triumf - NATO reporting name: SA-21 Growler), previously known as S-300PMU-3, is an anti-aircraft weapon system developed by Russia's Almaz Central Design Bureau in the 1990s as an upgrade of the S-300 family. In April 2015 a successful test firing of the missile was conducted at an airborne target at a range of 400 km (250 mi). In other tests 9M96 missile using an active radar homing head has reached a height of 56 km
An S-300 air-defense missiles launcher, left, and a S-300 missiles guidance station -- Putin ends ban on delivery of S-300 missile system to Iran - Embargo no longer needed due to progress in nuclear talks between Iran and world powers, Russian foreign minister says.
Iran clarifies: We have yet to receive S-300 missile system
Israel says will act to prevent S-300 missile systems from becoming operational Netanyahu tells European foreign ministers that if the Russian missile systems get into Syria, Israel's 'entire airspace will become a no-fly zone' and therefore it 'cannot stand idly by.'