This was stated in the Ministry of Defense of Turkey.

“Deliveries of S-400 elements for air defense and missile defense systems continue. In connection with this, the sixth plane landed at Myurt Air Base, ”the department noted.

S-400 Uzun Menzilli Bölge Hava ve Füze Savunma Sistem malzemelerinin sevkiyatı planlandığı şekilde devam ediyor. Bu kapsamda altıncı uçak Mürted Hava Meydanı'na indi.

- TC Millî Savunma Bakanlığı (@tcsavunma) July 14, 2019

Deliveries of Russian S-400 anti-aircraft missile systems to Turkey began on Friday, July 12th.

The first deputy chairman of the State Duma Defense Committee, Alexander Sherin, told Nation News that this was a victory for common sense.