Why do countries want to buy the Russian S-400?
2018-10-09 09:41:03 source：The Aljazeera
October 8, 2018
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, Russia's second-biggest source of income after oil.
During Vostok-2018, Russia showed off the S-400 surface-to-air missile, one of the country's most advanced and marketable weapons systems in recent years.
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