Five more batteries are scheduled for installation in the next few days, CNN reported.
Turkey is a NATO member. Officials with the military alliance say the missile batteries will protect the country against air attack from Syria, which has fired SCUD missiles toward Turkey and -- apparently inadvertently -- hit Turkish territory with artillery shells.
Thousands of Syrian refugees are in Turkey, fleeing what has become a prolonged civil war. Opposition activists said 96 people were killed Saturday, 37 in Aleppo, 29 in the Damascus area and 18 in Homs province.