The footage above depicts heavy clashes between the Syrian army and ISIS terrorists in the city of Dier Ezzor that took place earlier this week. In the video, you can see Syrian troops, operating the T-72M1 main battle tank with TURMS-T (Tank Universal Reconfiguration Modular System T-series), the T-55 main battle tank, the ZU-23-2 self-propelled anti-aircraft gun and the B-10 recoilless rifle.