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Topic summary

Operation Inherent Resolve

Related topics
Belligerents

United States

Islamic State

al-Qaeda

Turkistan Islamic Party

Islamic Front (2013–2015)

Syrian Salvation Government (2017–2024)

Commanders and leaders

Abu Hafs al-Hashimi al-Qurashi (leader of IS)
Abu al-Hussein al-Husseini al-Qurashi†
Abu al-Hasan al-Hashimi al-Qurashi†
Abu Ibrahim al-Hashimi al-Qurashi†

Abu Bakr al-BaghdadiX

Abu Alaa Afri†
(Deputy Leader of IS)
Abu Mohammad al-Adnani† (Spokesperson)
Abu Ayman al-Iraqi† (Head of Military Shura)
Abu Muslim al-Turkmani† (Deputy Leader, Iraq)
Abu Ali al-Anbari† (Deputy Leader, Syria)
Abu Omar al-Shishani† (Field commander in Syria)
Ali Husayn al-Ulaywi  † (Leader of ISIS in Syria)

Abu Khayr al-Masri† (al-Qaeda deputy leader)
Abu Humam al-Shami†
(al-Nusra Military Chief and Leader of Hurras al-Din)
Mohammed Islambouli (Leader of Khorasan)
Muhsin al-Fadhli† (Leader of Khorasan)
David Drugeon† (chief bombmaker)

Abu Yahia al-Hamawi (Emir of Ahrar al-Sham (2015–2017))
Abu Jaber Sheikh (Emir of Ahrar al-Sham (2014–2015); Emir of Tahrir al-Sham (2017))

Ahmed al-Sharaa (Emir of Tahrir al-Sham (2017–2025))Units involved

Elements of:

Military of IS

Strength
United States:

Islamic State of Iraq and the Levant:

  • 9,000 to 18,000 (CIA estimate, January 2015)
  • 20,000 to 200,000 (peak, late 2014)
  • 3 MiG-21 or MiG-23 aircraft
  • At least 600 tanks
  • At least 5 drones

al-Qaeda:

  • Khorasan: 50
  • Jund al-Aqsa: 2,100

Islamic Front

  • Ahrar al-Sham: 26,000–30,000+

Syrian Salvation Government

  • Tahrir al-Sham: 50,000+
Casualties and losses

United States

  • 23 hostile deaths
  • 93 non-hostile deaths
  • 492 (WIA)
  • 18 civilians killed
    (5 executed  and 1 unknown)
  • 1 F-16 crashed and 1 F-15 damaged
  • 2 helicopters lost (CH-53 Sea Stallion)
  • 4 MQ-1 Predator drones shot down

Islamic State of Iraq and the Levant:

  • 80,000+ killed by American and allied airstrikes
  • 32,000+ targets destroyed or damaged (as of 30 September 2016)
    • 164 tanks
    • 388 HMMWVs
    • 2,638 pieces of oil infrastructure
    • 1,000+ fuel tanker trucks
    • 2,000+ pick-up trucks, VBIEDs, and other vehicles

(per coalition)

al-Qaeda:

  • 400+ killed

Islamic Front

  • Ahrar ash-Sham:

3 killed
Syrian Salvation Government:

  • Tahrir al-Sham:
    6 killed

Tens of thousands of civilians killed by IS (per Iraqi Body Count and SOHR)
Between 8,220 and 13,299 civilians killed by Coalition airstrikes in Syria and Iraq (per Airwars)
1,437 civilians killed by Coalition Operations (per AirWars)

Over 970,000 civilians in Iraq and Syria displaced, or fled to Turkey and other countries

Operation Inherent Resolve (OIR) was the United States military's operational name for the international war against the Islamic State (IS)—a group also known as the Islamic State of Iraq and Syria (ISIS), the Islamic State of Iraq and the Levant (ISIL) or its Arab acronym "Daesh"—including both a campaign in Iraq and a campaign in Syria, with a closely related campaign in Libya.

Through 18 September 2018, the U.S. Army's III Armored Corps was responsible for Combined Joint Task Force – Operation Inherent Resolve (CJTF—OIR) and were replaced by the XVIII Airborne Corps. The campaign was primarily waged by American and British forces in support of local allies, most prominently the Iraqi Security Forces (ISF) and Syrian Democratic Forces (SDF). Combat ground troops, mostly special forces, infantry, and artillery have also been deployed, especially in Iraq. Of the airstrikes, some 80% have been conducted by the military of the United States, with the rest by the United Kingdom (Operation Shader), Australia, Belgium, Canada, Denmark, France, Jordan, the Netherlands, Saudi Arabia, Turkey, and the United Arab Emirates.

By October 2017, around the time of IS's territorial defeat in Iraq, CJTF—OIR claimed that around 80,000 IS militants had been killed by it and its allies (excluding those targeted by Russian and Syrian air strikes). According to the Pentagon, by March 2019, the day of IS's territorial defeat in Syria, CJTF—OIR and its partner forces had liberated nearly 110,000 square kilometers (42,471 square miles) of land and 7.7 million people from IS, the vast majority of the self-proclaimed caliphate's territory and subjects. By the end of August 2019, it had conducted 34,573 strikes. Tens of thousands more were killed by partner forces on the ground (the SDF alone claimed to have killed 25,336 IS fighters by the end of 2017). According to Airwars, between 8,220 and 13,299 civilians were killed in the airstrikes in Syria and Iraq, with an additional 1,437 civilians killed in other operations.

Wikipedia source