In September, Moscow and Ankara reached an agreement on the delivery of S-400 systems to Turkey. On September 29, Russian presidential aide Vladimir Kozhin confirmed that Turkey had made an up-front payment for the S-400s, adding that the delivery is scheduled for 2019.
Turkish president arrived in Russia on Monday morning. Recep Tayyip Erdogan will have talks with Russian leader Vladimir Putin during a visit to Russia's Black Sea resort of Sochi.
Speaking at the press-conference before leaving for Sochi, Turkish President Recep Tayyip Erdogan said that Turkey has proposed to Russia a joint plan of action on the Syrian city of Afrin.
Putin and Erdogan are expected to exchange opinions on regional and international issues, including the joint fight against terrorism and the Syrian peace settlement.
In October, media reports emerged about deployment of Turkish military equipment and troops in provinces bordering Syrian Afrin.
Ankara considers the Syrian Kurds to be affiliated with the Turkish Kurdistan Workers’ Party (PKK) listed as a terror organization in Turkey.
SPUTNIK/MNA