![Turkish soldiers are pictured next to a military convoy during a joint Russian-Turkish patrol in the eastern countryside of the town of Darbasiyah near the border with Turkey in Syria's northeastern Hasakah province on December 7, 2020. / AFP / Delil SOULEIMAN](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/MRTMJPB2C5FTORZW2G2WKGHAL4.jpg?smart=true&auth=e48c08fdf00154a8d88a155ab614be941a77123bb0a803635a189974802f8da9&width=400&height=225)
Turkish soldiers on a joint Russian-Turkish patrol in Darbasiyah, Syria, on December 7, 2020. AFP
Turkish soldiers on a joint Russian-Turkish patrol in Darbasiyah, Syria, on December 7, 2020. AFP
US puts sanctions on Turkey over Russian S-400 missile system
The sanctions are part of the Countering America's Adversaries Through Sanctions Act, passed by Congress in 2017