"F-35 aircraft cannot be shared with the Russian intelligence platform, which collects data and will be used to explore advanced capabilities (fighters. - RT )," the White House said.
They noted that the US has repeatedly offered Turkey alternatives, including the purchase of Patriot systems.
"Turkey has long been a reliable partner of NATO for 65 years, but the purchase of the S-400 undermines the commitment expressed by all allies of the alliance to refuse to acquire Russian systems," the US administration added.
As emphasized in Washington, "this will have detrimental consequences for the interaction of Turkey with the alliance."
Earlier, Turkish Foreign Minister Mevlüt Cavusoglu said that the C-400 does not pose a threat to NATO, in particular for F-35 aircraft.
Deliveries of Russian air defense systems began on Friday, July 12th.
Expert Edward Lozansky commented on the NSNS likelihood of imposing sanctions against third countries because of the C-400.