Russian President Vladimir Putin has said that the US missile defense system deployed in Alaska and South Korea has become a challenge for Russia.

Putin said that US system forced Russia to respond to these areas by increasing energy. In response to the expansion of US military power on Thursday, Putin said this in response to Putin.A brief report on Reuters Online has been reported.To the reporters in an economic forum in St. Petersburg, Putin said that when countries of Europe and the Far East are increasing their strength at the border, Russia will not be lazy and will not go beyond it.