MOSCOW. March 1 (Interfax) - Russia and Turkey have found an optimal way of signing a contract for the supply of S-400 air defense missile systems, Russian presidential aide on military-technical cooperation Vladimir Kozhin told Interfax.
"We have completed the negotiations. As to specific details, I would not like to go into them, but all wishes were taken into account and an optimal solution to this issue was found," Kozhin told Interfax on Thursday.