Russian technicians have completed the conversion of the S-300 long-range air-defence systems delivered to Syria to the S-300PMU-2 export standard, the TASS news agency reported on 7 November.
It quoted a military diplomatic source as saying that the systems delivered to Syria in October were originally a mix of S-300PM and S-300PM-2 components. “Now all three S-300PMU-2 battalions are ready for combat work in Syria.
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