Is Moscow using the S-400 against Turkey?
Ankara denies the suggestion from Moscow that a second batch of S-400s is headed for Turkey and says it is an effort to stall Turkey’s talks with the United States and Europe.
The military logic of Turkey’s highly controversial purchase of S-400 anti-ballistic missile defense systems from Russia in 2017 continues to defy many analysts.
The topic remains a major sticking point in Turkey’s strained relationship with the United States and its European allies.
