Russia’s S-400 missile systems were deployed at the Hmeymim airbase in Syria following the Turkish Air Force’s November 2015 downing of a Russian Su-24 bomber on the Syrian-Turkish border.
Russia’s S-400 missile systems were deployed at the Hmeymim airbase in Syria following the Turkish Air Force’s November 2015 downing of a Russian Su-24 bomber on the Syrian-Turkish border.