Syrian rocket launchers unleash hell over rebel positions in eastern Ghouta [video]

The Syrian troops that encircling the years-lasting pocket of the eastern Ghouta, keep bombarding the rebels hideouts, movements and their headquarters, preparing for large-scale offensive.
Battleground footage released on social media, features moment of launching surface-to-surface missiles by the elite 4th division of the Syrian Army.
According to the video, the army troops used the Syrian-modified Golan Multiple Rocket Launchers (MRLs) in its bombarding towards the eastern Ghouta.
In a similar story, the Tiger Forces groups of the Syrian Army have deployed the Russian-made TOS-1A rocket system to combat insurgent groups in east Damascus.