Sergei Chemezov, head of the Russian state-owned arms industry company Rostec, made a statement. Chemezovspoketo Interfaxnews agency,aboutthe new S-400contractwith Turkey. Chemezov, announced that we are ready to sign an agreement for the purchase of Turkey's new S-400 system with Russia. Russian officials said, the new party of the S-400 will be sent to Turkey next year.Russian state arms export agency, Rosoboronexport's President Aleksander Miheyev, commented on the second agreement for S-400 deliveries to Turkey. Speaking to journalists within the framework of the "International Military and Technical Forum Army-2020", which started today in the Moscow region, Miheyev said, "The agreement has been signed, we are currently discussing the financial model for the implementation of the agreement with our partners." Last year Turkey had bought missile defense system from Russia and this move has caused a serious tension between Ankara-Washington line.After that, Turkey was excluded from the F-35 fighter jet program.