Baku, July 12, AZERTAC First shipment of Russian S-400 missile defense system hardware to Ankara started on Friday, Turkey's National Defense Ministry said, according to Anadolu Agency."First batch of equipment of S-400 missile defense system, which is procured to meet Turkey's air and missile defense need, has started to arrive at Murted Air Base in Ankara as of July 12, 2019," the ministry said on Twitter.