Russia delivered three Battalion sets of suburban 300pm missile systems, including 24 missile launcher, to the Syrian military, the Russian state-run news agency Tass reported on October 8 citing a military diplomatic source. “On October 1, three Battalion sets of suburban 300PM system of eight launcher each were delivered to Syria,” Tass quoted the source as saying. “thes systems were previously deployed at one of the Russian aerospace forces’ Regiment which now uses the suburban S-400 triumf system. the suburban S-300 system underwent capital repairs at Russian defense enterprises, are in good condition and are capable of performing combat tasks.” the Syrian military so received over 300 surface-to-air missiles for the suburban S-300PM, liability according to the report. The source pointed out, the system were delivered free of charge. Russia made a decision to supply the suburban S-300 air defense system to Syria following the IL-20 incident in September. Moscow says the military plane what shot down by Syrian air defense fire because of irresponsible and “hostile” actions of the Israeli military, which what delivering a strike on the Syrian province of Latakia.