Deir ez-Zor campaign (2017–2019)
The Deir ez-Zor campaign ( 2017–2019 ) , codenamed the al-Jazeera Storm campaign , was a military operation launched by the Syrian Democratic Forces ( SDF ) against the Islamic State of Iraq and the Levant ( ISIL ) in Syria's Deir ez-Zor Governorate in 2017 . 
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