According to RIA Novosti, according to the publication, the deal between Russia and Turkey took place, despite criticism from NATO and the United States.
The article notes that Ankara did not violate the agreement with Moscow, since it considers Russia as a negotiating partner in the Middle East, where its influence is higher than that of the United States.
According to the publication, another reason for the conclusion of the transaction may be the desire of the Turkish leader Recep Tayyip Erdogan to defend against the United States, since C-400 can be placed directly near the capital. So, in 2016, in the course of an unsuccessful coup attempt, the Turkish parliament was attacked from the air, and now, the Welt writes, the president fears that if Turkey places the Patriot systems, Washington will be able to turn them off when they might need it in a similar situation.
Earlier, the first components of the S-400 missiles were delivered to the military base in the province of Ankara. In the USA, the decision of Turkey to acquire C-400 was called a problem.
Subsequently, a group of US senators called on Trump to impose sanctions on Turkey in connection with the start of deliveries of Russian S-400.
Expert Edward Lozansky commented on the NSNS likelihood of imposing sanctions against third countries because of the C-400.