Hezbollah has long been considered Iran’s first line of defense in case of a war with Israel. But since Israel launched its massive barrage against Iran this week, the Lebanese militant group has stayed out of the fray. A network of powerful Iran-backed militias in Iraq has also remained mostly quiet — even though Israel allegedly used Iraq’s airspace, in part, to carry out the attacks. Domestic political concerns, as well as tough losses suffered in nearly two years of regional conflicts and upheavals, appear to have led these Iran allies to take a back seat in the latest round convulsing the region. The ‘Axis of Resistance’ Hezbollah was formed with Iranian support in the early 1980s as a guerilla force fighting against Israel’s occupation of southern Lebanon at the time. The militant group helped push Israel out of Lebanon and built its arsenal over the ensuing decades, becoming a powerful regional force and the centerpiece of a cluster of Iranian-backed factions and governments known as the “ Axis of Resistance.” The allies also include Iraqi Shiite militias and Yemen’s Houthi rebels, as well as the Palestinian militant group Hamas. At one point, Hezbollah was believed to have some 150,000 rockets and missiles, and the group’s former leader, Hassan Nasrallah once boasted of having 100,000 fighters. Seeking to aid its ally Hamas in the aftermath of the Palestinian militants’ Oct. 7, 2023 attack on southern Israel and Israel’s offensive in Gaza, Hezbollah began launching rockets across the border. That drew Israeli airstrikes and shelling, and the exchanges escalated into full-scale war last September. Israel inflicted heavy damage on Hezbollah, killing Nasrallah and other top leaders and destroying much of its arsenal, before a U.S.-negotiated ceasefire halted that conflict last November. Israel continues to occupy parts of southern Lebanon and to carry out near-daily airstrikes. For their part, the Iraqi militias occasionally struck bases housing U.S. troops in Iraq and Syria, while Yemen’s Houthis fired at vessels in the Red Sea, a crucial global trade route, and began targeting Israel. Condolences to Iran, condemnations of Israel Hezbollah and its leader Naim Kassem have condemned Israel’s attacks and offered condolences for the senior Iranian officers who were killed. But Kassem did not suggest Hezbollah would take part in any retaliation against Israel. Iraq’s Kataib Hezbollah militia — a separate group from Lebanon’s Hezbollah — released a statement saying it was “deeply regrettable” that Israel allegedly fired at Iran from Iraqi airspace, something that Baghdad complained to the U.N. Security Council over. The Iraqi militia called on the Baghdad government to “urgently expel hostile forces from the country,” a reference to U.S. troops in Iraq as part of the fight against the militant Islamic State group, but made no threat of force. Hezbollah was weakened by last year’s fighting and after losing a major supply route for Iranian weapons with the fall of Syrian President Bashar Assad, a key ally, in a lightning rebel offensive in December. “Hezbollah has been degraded on the strategic level while cut off from supply chains in Syria,” said Andreas Krieg, a military analyst and associate professor at King’s College London. A changing attitude to Iran Many Hezbollah members believe “they were sacrificed for Iran’s greater regional interests” since Hamas’ attack on Israel triggered the latest Israel-Hamas war, […]