East Aleppo offensive (2017)

The East Aleppo offensive (2017), also referred to as the Dayr Hafir offensive, was an operation launched by the Syrian Army to prevent Turkish-backed rebel forces from advancing deeper into Syria, and also to ultimately capture the ISIL stronghold of Dayr Hafir. Another aim of the operation was to gain control of the water source for Aleppo city, at the Khafsa Water Treatment Plant, in addition to capturing the Jirah Military Airbase.

Source: Wikipedia — East Aleppo offensive (2017) (CC BY-SA 4.0)