Turkish President Tayyip Erdogan said there was no problem with the purchase of Russian S-400 anti-aircraft systems, adding that Ankara also held talks on the S-500, a THAAD-type system, currently under development. “In our talks with [Russia President Vladimir] Putin we are not thinking of stopping with the S-400s. We have had talks on the … Continue reading No problem in buying Russian S-400s, Erdogan says, hints at S-500 talks