Middle East SITREP: US-Iran War Day 12 — Escalating Attrition and Gulf Threats — March 11, 2026

The US-Iran conflict has entered its twelfth day with intensified exchanges of airstrikes, missile barrages, and naval confrontations across multiple theaters. US and Israeli forces have conducted widespread operations targeting Iranian military infrastructure, regime sites, and proxy networks in Lebanon and Iraq, resulting in significant civilian casualties and displacement. Iran has retaliated with its largest missile and drone salvos to date, striking Israel, Gulf states, and economic targets, while threatening further escalation against US and Israeli financial centers. Casualties include over 1,255 killed in Iran, 570 in Lebanon, and disruptions to global oil flows via the Strait of Hormuz, exacerbating economic volatility. Proxy activities by Hezbollah, Houthis, and Iraqi militias continue to broaden the conflict, with drone strikes on US facilities in Baghdad and threats to UAE nuclear sites. International responses include Erdogan's calls for de-escalation, IEA proposals for massive oil reserve releases, and evacuations of diplomatic personnel. Iranian leadership, under new Supreme Leader Mojtaba Khamenei, faces internal dissent but vows a 'war of attrition' strategy. US assessments indicate misjudged Iranian resilience, shifting focus from rapid decapitation to sustained degradation of capabilities. Regional stability is critically undermined, with over 700,000 displaced in Lebanon alone and shipping halted in the Gulf. Allied air defenses in the Gulf are strained, showing signs of degradation, while Iran's launches, though reduced in volume, achieve higher penetration rates.