The development of the S-400 began in the early 1980s to replace the old S-200 missile system, but was rejected by a state commission due to high cost and inability to address the threat of cruise missiles. In the late 1980s, … See more

S-400 missile systems are organized around the 30K6E administration system, which can coordinate eight divizions (battalions). The 55K6E is a command and control center based on the Ural-532301 vehicle. Th… See more

• Types of targets:
• All-purpose maximum radial velocity is 4.8 kilometres per second (17,000 km/h; 11,000 mph; Mach 14); absolute limit 5 kilometres per second (18,000 km/h; 11,000 mph; Mach 15), the minimum ta… See more

On 21 May 2007 the Russian Air Force announced that S-400 systems would be put on combat duty near the town of Elektrostal in Moscow Oblast, to defend Moscow and Central Russia, by 1 July 2007. On … See more

In September 2009 the S-400 was reportedly part of a US$2 billion arms deal between Russia and Saudi Arabia. The Saudis wanted to acquire the S-400, but Russia was only willing to sell S-300 air defense sy… See more