Our sources say that the first S-300 systems are already in Syria. The first S-300 systems for Syrian Army were delivered on 22 September. The S-300s were loaded on Russian Il-76 transport aircraft, which arrived at the Khmeimim Air Base
Houthi forces captured Tabat Al-Tawila in Haifan district of Taiz province
Houthi ATGM strike hit Saudi army vehicle in Najran province
Houthis ambush Saudi Army vehicle
Houthis repulsed pro-Hadi forces attack on the border with Jizan province
This is how the Syrian Russia/n joint anti-air network process in Syria
There are talks in Damascus about the Syrian Army withdrawing their forces from Deir Jamal in exchange for Turkey withdrawing from Ishtabraq. This would mean Turkish-backed rebels would target Tal Rifa’at and SAA would target Jisr Al-Shughour
Ten pro-Hadi soldiers and officers were killed in Houthi ambush in Bayda province
Russia asked Iran for using the Iranian military base in Nojeh for refueling its aircraft - the air base will be used as a permeable airfield on the way to Syria, to transport military materials with planes
Breaking: SDF troops have entered the strategic town of Baghouz Fouqani in southeast Deir Ezzor. American choppers reportedly providing close support to the advancing forces. SDF is also advancing at the Hajjin axis. This is the town where Daesh’s commanders reportedly moved to.
Russia To Upgrade Military Bases in Syria With Automated Control Systems
Acc to Russian MoD, Russia never gave the system of identification "friend-foe" and Russian identification codes to other countries. Therefore, the Syrian air defence don't have them.