The Israeli satellite imagery company iSi has unveiled what it claims is the first site for one of the S-300 long-range surface-to-air missile systems, delivered by Russia to Syria.
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The company identified the location as a pre-existing air defense base in the northwest of the town of Masyaf.
The satellite images from October 22 featured large vehicles under camouflage nets that the iSi claimed were S-300 systems deployed at the aforementioned base, while another image, dated October 24, showed four alleged S-300 transporter erector launchers near a newly constructed deployment post.
At the same time, iSi claimed that the deployment was not operational yet.
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The Syrian military hasn't commented on the reports yet.
In late September, the Russian Ministry of Defense announced that it would provide Syria with S-300s to boost the security of Russian servicemen stationed in the war-torn country.
The decision was made in the wake of the inadvertent destruction of a Russian Il-20 military reconnaissance aircraft by Syrian air defenses responding to an Israeli air raid.
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The Russian military has blamed the crash on the Israeli Air Force, stressing that an Israeli fighter jet had used the Il-20 as a shield against Syrian air defenses. Tel Aviv, in turn, has flatly rejected the accusations, claiming that it had warned Moscow about the air strikes in the region in a timely fashion.