In 2015 the company already supplied three S-400 regiments to the Russian Armed Forces
The press service also noted that all new S-400 units were successfully tested by the military during live fire exercises in hostile weather conditions and with simulated enemy actively using electronic countermeasures, RIA Novosti adds.
In 2015 the Russian military also received three divisions of Buk-M2 medium-range surface-to-air missile systems.
The S-400 Triumpf (NATO reporting name: SA-21 Growler) medium and long-range anti-aircraft missile system was designed to engage and destroy all existing and future aerial and space attacks, from spy planes to tactical and strategic bombers to ballistic missiles. It employs three different missiles to cover its entire performance envelope.