Yes Russia has been using Syria as a testing ground for detection of a variety of airplanes that Israel uses. If Turkey has the S400 and F35s it means they will

Yes Russia has been using Syria as a testing ground for detection of a variety of airplanes that Israel uses. If Turkey has the S400 and F35s it means they will have much much much more data for detection. Turkey would also have a platform for offense and defense in a bid for regional military supremacy which they almost have.