Modern AA missile systems are also very expensive - a S-400 battery cost you $500 million. [1] [1] https://www.cnbc.com/2018/11/19/russia-lures-buyers-as-s-400

Modern AA missile systems are also very expensive - a S-400 battery cost you $500 million. [1] [1] https://www.cnbc.com/2018/11/19/russia-lures-buyers-as-s-400-missile-system-costs-less-than-us-models.html https://www.cnbc.com/2018/11/19/russia-lures-buyers-as-s-400...