In a move expected to raise tensions with the United States, Turkey on Friday received the first batch of Russia’s S-400 missile defence system.
The United States has repeatedly warned against the purchase.
The delivery, at an air base in the Turkish capital, Ankara, came after Washington warned this week of “real and negative” consequences if Turkey buys the defence system.
It was not immediately known where the defence system would be deployed or when it would be operational.
Turkey’s Presidency of Defence Industries (SSB) said in a statement that the system will be operational in a manner determined by relevant authorities once the system is entirely ready, adding that the delivery of the system’s other parts would continue “in the coming days”.
Russia’s Federal Service for Military-Technical Cooperation confirmed the delivery to the TASS news agency.