That's the official Pentagon line, but it's not it. What are they saying, the S-400 are backdoored with a network connection to Russia? And Russia already has S

That's the official Pentagon line, but it's not it. What are they saying, the S-400 are backdoored with a network connection to Russia? And Russia already has S-400s in Syria, with Israel and the US operating F-35s in the region... The real reason is the US doesn't want to set the precedent for NATO countries buying weapons outside of NATO, and you can be sure the military industrial complex has a huge hand in that.