Pictured: the S-400 Triumph air defence missile system at Moscow`s region Electrostal air defence military base. The S-400 Triumph (Russian: C-400 Òðèóìô) is a new generation mobile air defense surface-to-air missile system developed by Russia`s Almaz Central Design Bureau as an upgrade of the S-300 family. The S400`s NATO reporting name is SA-21 Growler.Its range is claimed to be at least twice that of the MIM-104 Patriot system. According to Russian sources, the S-400 is capable of detecting six targets out to a range of 400 km (250 miles), including aircraft, cruise missiles, and ballistic missiles up to the Anti-Ballistic Missile Treaty limits of a range of 3,500 km and a speed of 4.8 km/s and then engaging them at ranges of up to 200 km. It is designed to have improved performance against stealth aircraft.