Russian S-400 Triumph medium-range and long-range surface-to-air missile systems [Sergei Karpukhin/Reuters] The Vostok-2018 war games in eastern Siberia last month marked Russia’s biggest military exercise in more than 30 years, with about 300,000 Russian, Chinese and Mongolian troops taking part. More than just an exercise, the war games were a public relations opportunity to showcase military hardware, … Continue reading the controversial Russian S-400? The system is an upgrade to the S-300, which Syria recently purchased, with potential clients such as India and Turkey.