Attacks on U S bases in Iraq, Jordan, and Syria during the Israel–Hamas war
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Starting on 17 October 2023, and in response to United States support for Israel in the Israel–Hamas war, Iran-backed militias initiated a coordinated series of more than 170 attacks on U.S. military bases and assets in Syria, Iraq, and Jordan. These attacks resulted in injuries to dozens of U.S. service members. In retaliation, the U.S. has launched multiple counterattacks, resulting in the death of over 30 militants including a senior commander of the Nujaba Movement, Mushtaq Talib al-Saidi. In February 2024, following U.S. airstrikes in Iraq and Syria, militia attacks against U.S. forces were halted.
Attacks
Al-Asad air base
On 17 October 2023, amid the Israel–Hamas war, Iraqi militants launched a drone strike on al-Asad Airbase, a United States base in northern Iraq. The airstrike was intercepted. The next day, a false alarm in the airbase caused the death of a civilian contractor from cardiac arrest. On 20 October, the US ordered all non-emergency staff to leave their embassy in Baghdad and consulate in Erbil. On 20 November, eight US and coalition soldiers were injured from a ballistic missile attack, and there was minor infrastructural damage after the air base was attacked by a ballistic missile.
On 20 January 2024, the Islamic Resistance in Iraq claimed responsibility for striking the base with dozens of missiles which injured several US military personnel and an Iraqi service member. At 6:30 p.m. Baghdad time, the IRI launched multiple ballistic missiles and other rockets at the Al-Asad Airbase. The United States military attempted to defend the base with Patriot missiles. More than 15 MIM-104 Patriot missiles were launched to defend the base.
Al-Tanf garrison
On 18 October 2023, a drone strike by an Iranian proxy on the al-Tanf garrison resulted in over 20 injuries. On 1 November, a minor drone strike was reported at the al-Tanf garrison.
Al-Harir air base
On 8 November 2023, an armed drone targeted al-Harir air base hosting U.S. forces in northern Iraq. On 25 December 2023, the Islamic Resistance in Iraq claimed responsibility for a drone attack on the base which injured three US soldiers, one being critical.
Other attacks
On 24 October 2023, the Islamic Resistance of Iraq claimed responsibility for multiple drone strikes on US bases in eastern Syria, notably al-Omar oil field in Deir ez-Zor Governorate and al-Shaddadi in the Al-Hasakah Governorate. On 9 November, US forces were struck three separate times in 24 hours, including drone strikes in Al-Asad Airbase and Al-Harir Air Base, as well as an IED attack on a patrol near the Mosul Dam.
On 10 January 2024, the Islamic Resistance of Iraq claimed responsibility for an attack on Hemo base in north of Hasakah province. As a result of this attack, the U.S. withdrew from the base, evacuating 350 U.S. soldiers and relocating them to Tal Baidar base.[citation needed] Tal Baidar base was previously targeted by the Islamic Resistance in Iraq in November 2023.
On 18 January 2024, the Islamic Resistance of Iraq shot down a US MQ-9 Reaper drone after it took off from Kuwait near Muqdadiyah, Diyala Governorate.
On 21 April 2024, five rockets were fired from Zummar, Iraq towards the Kharab al-Jir base in Syria which houses US and coalition soldiers in the first major attack since early February. No US personnel were injured. The Syrian Observatory of Human Rights blamed the attack on the Islamic Resistance in Iraq. Iraqi authorities launched a search in Nineveh province, locating and burning the vehicle used in the attack.
Tower 22 outpost
On 28 January 2024, a one-way drone attack took place at a US outpost in Jordan, resulting in the deaths of three US soldiers and injuries to 47 others.
Al-Omar field
On 4 February 2024, a drone struck a training ground in Al-Omar field in Deir ez-Zor, eastern Syria, which houses US troops, according to the Syrian Democratic Forces. Though no casualties were reported among US forces, at least seven Kurdish fighters were killed and 18 injured. The Islamic Resistance in Iraq claimed responsibility for the attack. The SDF condemned the attack, and said it had "every right to respond".
On 12 February 2024, the Syrian Democratic Forces killed five members of the pro-government National Defence Forces militia in the vicinity of Al-Harmushiyah town, situated in the Deir ez-Zor Governorate.
U.S. response
On 27 October 2023, the United States military responded to the airstrikes by bombing weapons and ammunition storage facilities in Abu Kamal, Syria with F-16 fighter jets. They further stated that a total of 16 military airstrikes were conducted by Iran-backed groups; 12 in Iraq and four in Syria.
On 8 November, the U.S. Department of Defense announced that they had carried out attacks against the IRGC and IRGC-linked targets in Deir ez-Zor. According to the Syrian Observatory for Human Rights, 9 workers in the facilities were killed in the strikes.
On 12 November, the United States Department of Defense and Central command announced additional U.S. airstrikes targeting IRGC affiliated groups in response to continued airstrikes against U.S. forces in the region. The attacks targeted a safe house and training area used by militias in Mayadin and Abu Kamal and resulted in the killing of 8 militiamen.
On 21 November, a USAF AC-130 gunship retaliated against a Kata'ib Hezbollah vehicle near Abu Gharib, in response to the Islamic Resistance In Iraq's 20 November missile attack on U.S. forces at Ain al Assad Airbase. According to U.S. assessments, several Iran-backed fighters were killed in the strike. The following day, U.S. fighters jets conducted airstrikes on Iraqi Kata'ib Hezbollah facilities, killing over eight fighters.
On 4 December, a U.S. airstrike near Kirkuk killed five Iraqi militants as they attempted to fire explosive projectiles at U.S. forces. They were identified as members of an Iran-backed militia. The Islamic Resistance in Iraq claimed that the five people killed were its members, and vowed retaliation against the U.S.
On 26 December, the U.S. conducted an airstrike on a PMU base in Hillah which killed one soldier and injured 20 others, with at least 12 being members of the Ministry of Interior.
On 4 January 2024, the United States carried out a drone strike on the headquarters of Harakat Al-Nujaba in Baghdad, with the specific target being Mushtaq Talib al-Saidi, a senior leader of Harakat al Nujaba held responsible for orchestrating attacks against US forces. The strike resulted in the death of four individuals, including al-Saidi, and left six others wounded. According to Iraqi militia sources and police reports, the attack involved two rockets fired from a drone, which struck a vehicle within the headquarters.
On 23 January 2024, the United States launched a series of airstrikes on three facilities used by Iran-backed militias in Iraq. The United States defence secretary, Lloyd Austin, announced the strikes in a statement the same day. The strikes targeted several militia groups with connections to Iran, including Kataib Hezbollah. The Iraqi government later accused the United States of escalating existing regional tensions. Lloyd Austin defended the attacks. Kataib Hezbollah announced the suspension of operations against the U.S. on 30 January.
Kataib Hezbollah also distanced its activities from Iran claiming "our brothers in the axis – especially in the Islamic Republic – do not know how we work jihad".
February 2024 airstrikes
On 2 February, the US launched retaliatory airstrikes targeting Iran-backed militias in Iraq and Syria, in response to an attack that killed three US troops in Jordan. According to the Syrian Observatory for Human Rights, at least 35 Iran-backed militiamen were killed in the strikes in Syria. Iraqi Popular Mobilization Forces announced that 16 of their fighters were killed in the airstrikes.
On 7 February, a US drone strike on a vehicle in the Mashtal neighborhood of Baghdad reportedly killed a commander of Kata'ib Hezbollah. Another source reported that the attack targeted a vehicle used by the Popular Mobilization Forces and killed three people. US officials did not make a comment about the attack. According to Reuters, other pro-Iranian groups were also hit in the attack. Following the airstrikes, militia attacks against U.S. forces were halted.
Iraqi government response
On 5 January 2024, Iraqi Prime Minister Mohammed Shia' Al Sudani announced that the Iraqi government would begin a process towards the removal of the U.S.-led international military coalition following the American drone strike on Baghdad which assassinated Mushtaq Talib al-Saidi. After the 23 January 2024 US attacks in Iraq, the US and Iraqi government agreed to begin talks on the future of the US military presence in Iraq, including discussions on the feasibility of a complete US military withdrawal from Iraq.
On 30 January, Kata'ib Hezbollah announced the suspension of all its military operations against US forces in the region after the Tower 22 drone attack which killed 3 US soldiers and injured 47 others. They announced this decision was taken out of preventing "embarrassment" of the Iraqi government which has called for all resistance parties to de-escalate the situation.
On March 22, Iraqi Foreign Minister Fuad Hussein met with Jake Sullivan, the National Security Advisor to the US President, during his trip to the United States. On 23 March, it was announced that Iraqi PM al-Sudani will visit the White House in Washington DC on 15 April to hold formal talks about reducing the presence of the U.S.-led military coalition in Iraq.
Developments
On 1 April 2024, Abu Ali al-Askari, security chief of Kata'ib Hezbollah based in Iraq, said the organisation was prepared to arm "Islamic Resistance" in Jordan and is ready to provide "12,000 fighters with light and medium weapons, anti-armor launchers, tactical missiles, millions of rounds of ammunition, and tons of explosives" to "defend the Palestinians and avenge the honour of Muslims." On the same day, al-Tanf garrison in Syria was attacked by a one-way attack drone which was intercepted.