Iran Project

Iran and its so-called “Axis of Resistance” are pursuing a coordinated strategy to (1) deter Israel from trying to destroy Hamas in the Gaza Strip, (2) prevent Israel from destroying Hamas if deterrence fails, and (3) deter the United States from providing military support to Israel’s ground operation in the Gaza Strip. Iran and its proxy and partner militias throughout the Middle East seek to ensure Hamas’ long-term survival, as Israel has indicated that it will soon launch a major ground operation into the Gaza Strip to destroy Hamas. The Iran-led effort to prevent this outcome is occurring along four main geographic axes: the Gaza Strip, the West Bank, southern Lebanon, and the broader Middle East. The following text examines the campaign objectives that CTP-ISW assesses that the Axis of Resistance is pursuing on each axis in support of its strategic objectives of deterring Israel and the United States.

Hamas and its allies are preparing the information environment to blame Israel for the possible deaths of hostages in the Gaza Strip, especially if Hamas begins killing hostages. Hamas military spokesperson Abu Ubaida said on October 9 that Hamas would kill hostages in response to Israeli airstrikes, indicating Hamas’ willingness to do so for perceived military and/or political gains. Tasnim News Agency—an Iranian outlet affiliated with the Islamic Revolutionary Guard Corps (IRGC)—reported on October 22 that Israel’s “clandestine goal” is to “cause the killing of captive Israelis,” according to “informed sources. Palestinian Islamic Jihad (PIJ) spokesperson Abu Hamza said on October 24 that Israel does not “pay attention” to the lives of hostages.

Iranian officials and media are continuing their attempts to deter an Israeli ground operation into the Gaza Strip while also attempting to reassure their domestic and Axis of Resistance audiences that such an operation will fail. IRGC-affiliated Tasnim News Agency outlined the “significant challenges” that Israel will face in conducting a ground operation into the Gaza Strip, highlighting Hamas’ anti-tank capabilities. Iranian state media similarly argued that Israeli Prime Minister Benjamin Netanyahu’s senior advisers fear Hamas and further outlined several “challenges” facing Israeli ground operations into the strip, including declining public support, weakened relations with the Arab world, a high military death toll, and the potential for a geographic expansion of the conflict. IRGC Deputy Commander Brigadier General Ali Fadavi similarly warned that Israel would suffer a “disgraceful” defeat at the hands of the Palestinian resistance were it to enter the Gaza Strip during an interview IRGC-affiliated Fars News Agency.

IRGC Quds Force Commander Brigadier General Esmail Ghaani arrived in Syria on October 21 to monitor Iranian-backed militias on the Israel-Syria border, according to Israeli media. CTP-ISW cannot independently verify this report. Iranian-backed militias have concentrated in southern Lebanon and southwestern Syria in recent days as part of Iran-led preparations for the war to expand into a regional conflict. An Iranian state-affiliated journalist previously claimed that Ghaani warned Syrian President Bashar al Assad on October 15 that Iran intends to use Syria as a second front if the Israel-Hamas war expands. An unspecified Iranian intelligence official claimed that Iran would start a ”limited” ground operation from Syria into the Golan Heights and notably not from Lebanon if the situation escalates to protect LH.

Palestinian militias continued indirect fire at their usual rate into Israel on October 21. These attacks continued to strike civilian and military targets. The al Qassem Brigades—the militant wing of Hamas—claimed ten rocket attacks The National Resistance Brigades—the militant wing of the Democratic Front for the Liberation of Palestine—claimed two rocket attacks. The al Quds Brigades—the militant wing of Palestinian Islamic Jihad (PIJ)—conducted one rocket attack. The Abu Ali Mustafa Brigades—the militant wing of the Popular Front for the Liberation of Palestine—claimed two mortar attacks, marking the second time that CTP-ISW has recorded them launching attacks into Israeli territory since the war began. The Abu Ali Mustafa Brigades claimed one mortar attack into Israeli territory on October 12. The attacks recorded on October 21 and throughout the war underscore the reality that the Israel Defense Forces (IDF) is facing a loose coalition of several Palestinian militias rather than just Hamas

Palestinian militias continued indirect fire from the Gaza Strip into Israel on October 20. The al Qassem Brigades—Hamas' militant wing—claimed ten rocket, mortar, and drone attacks. Saraya al Quds—the militant wing of Palestinian Islamic Jihad—claimed responsibility for another seven rocket attacks. This rate of attacks is consistent with the rates that CTP-ISW has observed in recent days. Both groups continue to frame these attacks as being in response to Israeli “massacres” against civilians.

The Iranian-backed Iraqi groups and Houthis are behaving as if the United States has crossed their stated red lines of intervening in the war to support Israel. Iranian-backed Iraqi militia Kataib Hezbollah (KH)’s military spokesperson said that the United States is an “essential partner in killing [Gazans]” and must “bear the consequences” on October 18. KH’s military spokesperson also said that the United States is “aware of the capabilities of the Iraqi Resistance” and that the Iraqi resistance can target anywhere in Iraq. Other Axis of Resistance factions have also expressed this risk since October 7. The Houthi Movement’s supreme leader said on October 10 that his forces would respond with missiles and drones if the United States intervened in the conflict.

Two Iranian-backed Iraqi militias conducted separate attacks on US forces stationed at the al Harir airbase and Ain al Asad airbase in Iraq on October 18. CTP-ISW previously reported that elements of Iran’s Axis of Resistance, including Iranian-backed Iraqi militias, have threatened to attack US forces if the United States intervenes in the Israel-Hamas war. It is unclear if the two attacks were coordinated or if the IRGC Quds Force ordered the attacks.

This page collects the refocused Iran Updates that ISW and The Critical Threats Project (CTP) at the American Enterprise Institute began publishing on October 7, 2023. ISW and CTP refocused the Iran Update to cover the Israel–Hamas war. The new sections address developments in the Gaza Strip, the West Bank, Lebanon, and Syria, as well as noteworthy activity from Iran’s Axis of Resistance.

Iranian Foreign Affairs Minister Hossein Amir Abdollahian warned on October 15 and 16 that a multi-front war against Israel is becoming more likely and that Iranian-backed militias may take preemptive actions against Israel in the “coming hours.” Abdollahian stated in an interview with Al Jazeera on October 15 that Israel’s continued siege of Gaza is making a multi-front war “increasingly more probable.” Abdollahian similarly posted on X (Twitter) on October 16 that “the time for political solutions is coming to an end” and that the expansion of the Israel-Hamas war to new fronts is becoming “inevitable.”