No one flies without permission from southern Turkey, to northern Lebanon, to Crete, or to Jerusalem without risking being seen by the Russians and shot down at 150 miles from the S-400 system; this includes the French carrier and the USS Truman and their aircraft.
Let Turkey baste - it is a problem they made for themselves from the prime minister who proudly gave his personal go ahead to shoot the plane down, to Bilal Erdogan (the son of the tinpot dictator running the place) who buys ISIS oil.
Well, we have a counter system designed specifically to take out the S-400 batteries.
The system is built by Raytheon and is excellent... but if we use this to take out their S-400 the next step would be the sinking of a US carrier somewhere...they have the hypersonic missiles to do it...and they are on the Moskva .. WW3 would follow close behind :-/