Yury Ushakov told reporters in Moscow that a planned withdrawal of U.S. troops from Syria will also be a possible issue of discussion during Recep Tayyip Erdogan's and Vladimir Putin's meeting slated for April 8.

"U.S. plans regarding a partial withdrawal of its troops from Syria will be discussed. The next issue is the implementation of a very high-profile project, a contract for the supply of the latest Russian S-400 air defense systems to the Turkish Armed Forces," he said.

Ushakov added that the two presidents would hold full-fledged talks, with meetings of the High-Level Russian-Turkish Cooperation Council, as well as with Turkish businesses operating in Russia.

He noted that one-on-one meetings between Erdogan and Putin would also take place to "discuss the most sensitive issues."

Reporter’s code: 50101