When Russian Defense Minister Sergei Shoigu said on Oct. 2 that the “unified” S-300 air defense systems in Syria will be installed in Syria by Oct. 20, he really meant its integration in the Russian homeland system. This element of his report to President Vladimir Putin is the key to the real import of Moscow’s response to the downing of its Il-20 spy plane on Sept. 17, for which Shoigu blamed Israel. DEBKAfile’s military and intelligence sources report that Putin seized on the disaster to establish in Syria an advanced air defense weapons system linked not only to the Russian Khmeimim Air Base in Latakia, but integrated in Russia’s own C3 command, control and communications system against nuclear attack. Continue reading