Washington, Oct 31 (UNI/Sputnik) US President Joe Biden expressed concerns over the Russian-made S-400 missile system at Turkey's disposal, during the talks with his Turkish counterpart, Recep Tayyip Erdogan, on G20 sidelines on Sunday, the White House said.
"President Biden reaffirmed our defence partnership and Turkey’s importance as a NATO Ally, but noted US concerns over Turkey’s possession of the Russian S-400 missile system," the statement said.
Russia and Turkey concluded a contract on S-400 missile defence system in 2017, and the equipment was shipped in 2019.
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