Eastern Syria campaign information

Eastern Syria campaign (September–December 2017)
	Part of the Deir ez-Zor Governorate campaign and the Russian military intervention in the Syrian civil war
	; SAA and ISF advances along the border
Date	14 September – 17 December 2017; (3 months and 3 days)
Location	Deir ez-Zor Governorate, Syria
Result	Decisive Syrian Army and allies victory ISIL militants maintain presence in the desert;
Belligerents
Syrian Arab Republic Syrian Armed Forces; Russia; Iran; Allied militias:; Hezbollah; PMF militias; Liwa Fatemiyoun	Islamic State of Iraq and the Levant
Commanders and leaders
Maj. Gen. Suheil al-Hassan; Maj. Gen. Issam Zahreddine †; Brig. Gen. Ghassan Iskandar Tarraf; (Republican Guard); Lt. Gen. Valery Asapov †; (Syrian 5th Corps commander); Maj. Gen. Qasem Soleimani	Abu Bakr al-Baghdadi
Units involved
Syria Syrian Army 1st Armoured Division; Republican Guard; Tiger Forces; 5th Corps; ; National Defence Forces; Shaitat tribal forces; Palestinian Syrian militias Liwa al-Quds; Fatah al-Intifada; Galilee Forces; FPM; ; Russia Russian Aerospace Forces; Special Operations Forces advisors; Russian Navy; Iran IRGC; Hezbollah Lebanese Hezbollah; Syrian Hezbollah;	Military of ISIL Garrison of Deir ez-Zor Province; Garrison of Homs Province;
Strength
Several thousand	5,000–10,000+
Casualties and losses
601+ killed	985+ killed
	987 civilians killed

The Eastern Syria campaign^[20] of September–December 2017 was a large-scale military operation of the Syrian Army (SAA) and its allies against the Islamic State of Iraq and the Levant (ISIL) during the Syrian Civil War. Its goal was to clear the city of Deir ez-Zor of any remaining ISIL forces,^[21] capture ISIL's de facto capital of Mayadin,^[22]^[23] as well as seize the border town of Abu Kamal, which became one of ISIL's final urban strongholds by the latter stages of the campaign.

The campaign was concurrent with the 2017 Western Iraq campaign, the Raqqa campaign conducted by the Syrian Democratic Forces (SDF) against ISIL's former capital city of Raqqa, as well as with the SDF's offensive in Deir ez-Zor province along the eastern banks of the Euphrates River.

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Carter Center (2017), p. 2.
^ ^a ^b "Breaking: Syrian Army, Hezbollah surround strategic base in west Deir Ezzor". 25 October 2017. Archived from the original on 13 June 2018. Retrieved 20 November 2017.
^ "Clashes between Iraqi forces and IS along Syria border - 11/4/2017 8:00:46 AM - Newser". www.newser.com. Archived from the original on 9 November 2017. Retrieved 20 November 2017.
^ ^a ^b "IRGC, Hezbollah plan to link Baghdad to Damascus through Albukamal crossing". 6 November 2017. Archived from the original on 13 June 2018. Retrieved 20 November 2017.
^ "Syrian army, allies, take last IS stronghold in Syria: commander". Reuters. 8 November 2017.
^ ^a ^b "Leaked pictures: Iranian Major General arrives in southern Deir Ezzor to help defeat ISIS". 5 November 2017. Archived from the original on 10 November 2017. Retrieved 20 November 2017.
^ ^a ^b ^c "Highly decorated general to replace Zahreddine as leader of Republican Guard in Deir Ezzor". Al-Masdar News. 22 October 2017. Archived from the original on 1 April 2019. Retrieved 20 November 2017.
^ "ISIS shell kills Russian commander of Syrian Euphrates crossing". Debkafile.
^ "Russia says general killed in Syria held senior post in Assad's army". Reuters. 27 September 2017. Retrieved 2 October 2017.
^ ^a ^b Carter Center (2017), pp. 2–3.
^ "Member of "Fath Al-Intefada" dies in clashes and "Free Palestine Movement" sends its members to support the regime in it". Action Group for Palestinians of Syria. 14 November 2018. Retrieved 23 March 2018.
^ "Death of 6 members of Al-Jaleel Brigade, affiliated to the Syrian regime". Action Group for Palestinians of Syria. 31 August 2018. Retrieved 23 March 2018.
^ "Member of Free Palestine Movement killed in Deir ez-Zor". Action Group for Palestinians of Syria. 6 August 2018. Retrieved 23 March 2018.
^ "Iraqi forces launch battle against Islamic State footholds in vast Anbar province". The Washington Post.
^ Josie Ensor and Ben Farmer (3 November 2017). "Isil facing endgame after fall of last city in its caliphate". The Telegraph News. Retrieved 5 November 2017.
^ Loaa Adel (4 November 2017). "Al-Bukamal gathers largest number of IS members in Syria". Retrieved 5 November 2017.
^ 38+ killed during the 2017 Mayadin offensive, 120+ killed during the Battle of Deir ez-Zor (September–November 2017), 376+ killed during the 2017 Abu Kamal offensive, 67 killed (6–17 Dec.),[1] total of 601+ reported killed
^ 180+ killed during the 2017 Mayadin offensive, 401+ killed during the Battle of Deir ez-Zor (September–November 2017), 352+ killed during the 2017 Abu Kamal offensive, 52 killed (6–17 Dec.),[2] total of 985+ reported killed
^ Al-Shafa massacre kills 34 citizens including 22 children and citizen women and raises the number of the casualties of Deir Ezzor to 1000 persons during about 80 days of shelling
^ Carter Center (2017), p. 3.
^ "Syria declares victory over Islamic State in Deir al-Zor". Reuters. 3 November 2017. Retrieved 5 November 2017.
^ "Deir Ezzor update: Syrian Army within striking distance of ISIS capital - map". AMN - Al-Masdar News | المصدر نيوز. 5 October 2017. Archived from the original on 12 June 2018. Retrieved 7 October 2017.
^ Andrew Illingworth (17 October 2017). "Breaking: Elite Syrian forces liberate all of western Euphrates bank from Deir Ezzor to Al-Mayadeen". Al-Masdar News. Archived from the original on 20 February 2018. Retrieved 17 October 2017.

[FOOTNOTECarter_Center20172-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Carter Center (2017), p. 2.

[surroundstrategic-2] "Breaking: Syrian Army, Hezbollah surround strategic base in west Deir Ezzor". 25 October 2017. Archived from the original on 13 June 2018. Retrieved 20 November 2017.

[along-3] "Clashes between Iraqi forces and IS along Syria border - 11/4/2017 8:00:46 AM - Newser". www.newser.com. Archived from the original on 9 November 2017. Retrieved 20 November 2017.

[IRGC-4] "IRGC, Hezbollah plan to link Baghdad to Damascus through Albukamal crossing". 6 November 2017. Archived from the original on 13 June 2018. Retrieved 20 November 2017.

[lastIS-5] "Syrian army, allies, take last IS stronghold in Syria: commander". Reuters. 8 November 2017.

[leaked-6] "Leaked pictures: Iranian Major General arrives in southern Deir Ezzor to help defeat ISIS". 5 November 2017. Archived from the original on 10 November 2017. Retrieved 20 November 2017.

[replace-7] "Highly decorated general to replace Zahreddine as leader of Republican Guard in Deir Ezzor". Al-Masdar News. 22 October 2017. Archived from the original on 1 April 2019. Retrieved 20 November 2017.

[8] "ISIS shell kills Russian commander of Syrian Euphrates crossing". Debkafile.

[9] "Russia says general killed in Syria held senior post in Assad's army". Reuters. 27 September 2017. Retrieved 2 October 2017.

[FOOTNOTECarter_Center20172–3-10] Carter Center (2017), pp. 2–3.

[11] "Member of "Fath Al-Intefada" dies in clashes and "Free Palestine Movement" sends its members to support the regime in it". Action Group for Palestinians of Syria. 14 November 2018. Retrieved 23 March 2018.

[12] "Death of 6 members of Al-Jaleel Brigade, affiliated to the Syrian regime". Action Group for Palestinians of Syria. 31 August 2018. Retrieved 23 March 2018.

[13] "Member of Free Palestine Movement killed in Deir ez-Zor". Action Group for Palestinians of Syria. 6 August 2018. Retrieved 23 March 2018.

[vast_Anbar-14] "Iraqi forces launch battle against Islamic State footholds in vast Anbar province". The Washington Post.

[facing_endgame-15] Josie Ensor and Ben Farmer (3 November 2017). "Isil facing endgame after fall of last city in its caliphate". The Telegraph News. Retrieved 5 November 2017.

[ISIL_gathers_at_Al-Bukamal-16] Loaa Adel (4 November 2017). "Al-Bukamal gathers largest number of IS members in Syria". Retrieved 5 November 2017.

[17] 38+ killed during the 2017 Mayadin offensive, 120+ killed during the Battle of Deir ez-Zor (September–November 2017), 376+ killed during the 2017 Abu Kamal offensive, 67 killed (6–17 Dec.),[1] total of 601+ reported killed

[18] 180+ killed during the 2017 Mayadin offensive, 401+ killed during the Battle of Deir ez-Zor (September–November 2017), 352+ killed during the 2017 Abu Kamal offensive, 52 killed (6–17 Dec.),[2] total of 985+ reported killed

[19] Al-Shafa massacre kills 34 citizens including 22 children and citizen women and raises the number of the casualties of Deir Ezzor to 1000 persons during about 80 days of shelling

[FOOTNOTECarter_Center20173-20] Carter Center (2017), p. 3.

[declare-21] "Syria declares victory over Islamic State in Deir al-Zor". Reuters. 3 November 2017. Retrieved 5 November 2017.

[striking-22] "Deir Ezzor update: Syrian Army within striking distance of ISIS capital - map". AMN - Al-Masdar News | المصدر نيوز. 5 October 2017. Archived from the original on 12 June 2018. Retrieved 7 October 2017.

[Oct_17-23] Andrew Illingworth (17 October 2017). "Breaking: Elite Syrian forces liberate all of western Euphrates bank from Deir Ezzor to Al-Mayadeen". Al-Masdar News. Archived from the original on 20 February 2018. Retrieved 17 October 2017.

Eastern Syria campaign information

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