AnalysisRegional DirectoryEurasiaMiddle East and North Africa Turkey in the Bigger Picture Purchasing the S-400 system from Russia is a sign of its increasingly independent foreign policy. By Xander Snyder - July 29, 2019 3201 Purchasing the S-400 system from Russia is a sign of its increasingly independent foreign policy. This article is for subscribers only. Already a subscriber? Please login to continue reading Login Subscribe to Geopolitical Futures today and get: Unbiased analysis of global events Daily geopolitical briefing Annual and long-term forecasts to help you prepare for your future Subscription Options Join our free newsletter Join Now Learn more about geopolitics and receive free articles.