The three countries are banding together as their relationship with Washington falls apart.
https://www.newsweek.com/russia-iran-and-turkey-meet-discuss-syria-excluding-us-1091786
https://www.inopressa.ru/article/27Aug2018/letemps/blocus.html
https://day.kyiv.ua/ru/article/podrobnosti/sila-na-more
https://ru.krymr.com/a/sankcionnaya-voina-rossii-i-zapada/29455985.html
https://www.mk.ru/economics/2018/08/27/rychagi-torgovoy-voyny-ssha.html
https://www.gazeta.ru/business/2018/08/27/11925865.shtml