RUSSIA

Russia's latest S-400 antiaircraft missile system is now at its western borders and beyond. Its manufacturers claim it is capable of destroying "all current and future airspace threats."

SYRIA

S-400 Confirmed range: 250km Unconfirmed range: 400km  

S-300 Range: 150-200km  

UKRAINE

Two S-400 systems were deployed in the Leningrad region in September 2016

BELARUS

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ARMENIA

THE S-400

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Command vehicle

2. ENGAGEMENT Engagement radar locks in on enemy aircraft

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Long-range surveilance radar

Engagement radar

Launcher

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3. DESTRUCTION After target is acquired, missiles are launched

The 5P85CE2 launcher can hold four guided antiaircraft missiles

Russia deployed an S-400 system  in Crimea on August 12, 2016 

1. DETECTION Long-range radar detects enemy aircraft

S-400 Confirmed range: 250km Unconfirmed range: 400km  

Source: Institute For The Study Of War; Raspletin

RUSSIA’S AIR-DEFENSE SYSTEM

The S-400 ground-to-air missile system comprises four or more elements in mobile ground units: