The S-400 Triumph is an anti-aircraft weapon system developed in the 1990s by Russia's Almaz Central Design Bureau as an upgrade of the S-300 family. In 2017 the S-400 was described by The Economist as one of the best air-defence systems currently made. According to Siemon Wezeman Senior Researcher of SIPRI the S-400 is among the most advanced air defence systems available. Kit consist of 1000+ parts, 23 sprues, copper cable, full drive train assembly complete with engine transmission, differential housing and suspension units, rubber tire's with good tread pattern, transparent windshield and side windows, photoetch and markings.