- Erdogan says Turkey aims to produce S-400s jointly with RussiaAljazeera.com
- The rift in the relationship between the U.S. and Turkey may be permanentNBC News
- Erdogan Takes Putin Over NATOThe Wall Street Journal
- Turkey’s Erdogan says Russian S-400s will be fully deployed by April 2020Reuters
- Russia Will Be Sending More Weapons to NATO Member Turkey, Senior Lawmaker Vows as S-400 Missiles ArriveNewsweek
- View full coverage on Google News