Day-by-day chronological record of every major event since operations commenced March 1, 2026. All events sourced from official U.S. government press releases.
Continued precision strikes against IRGC command posts, missile storage, naval installations, and mobile air defense systems. Iranian air defense now 92% degraded.
Battle damage assessment confirms all centrifuge halls collapsed following GBU-57 Massive Ordnance Penetrator strikes. Third and final nuclear site eliminated.
2 remaining fast-attack boats sunk at Bandar Abbas. Total Iranian naval losses: 12 vessels including 3 frigates, 2 patrol ships, 2 submarines (in-port), 5 fast-attack craft.
All known medium- and long-range ballistic missile production facilities destroyed. Imam Ali missile base complex, Shahrud test facility, and 14 dispersed storage sites neutralized.
Japan, South Korea, Australia, and India join Hormuz security coalition. 47 warships now conducting minesweeping and escort operations.
Largest single Strategic Petroleum Reserve draw in history. Executive order also warns oil companies against price gouging during national security emergency.
Second nuclear enrichment facility at Fordow Mountain confirmed destroyed. Multiple waves of bunker-buster strikes over 48 hours penetrated the hardened mountain facility.
Authorization for Use of Military Force passes with 60-day window and mandatory Congressional review. Only 22 senators voted against.
Comprehensive sanctions targeting Iranian Central Bank, IRGC-linked entities, and foreign institutions facilitating Iranian oil trade.
CENTCOM reports strikes against 8 Iranian air bases destroyed approximately 74% of Iran's combat aircraft inventory including F-14 Tomcats, MiG-29s, and Su-24s. Remaining aircraft unable to launch due to cratered runways.
National Terrorism Advisory System elevated citing credible intelligence of potential Iranian-backed retaliatory attacks on U.S. infrastructure. FBI field offices on maximum alert.
Initial coalition of 28 nations agrees to coordinate mine clearing and commercial shipping escort through the Strait of Hormuz.
Intelligence assets confirmed Khamenei's presence at a deep underground command facility in Tehran. GBU-57 Massive Ordnance Penetrators employed. Iranian state media has not acknowledged the death. IRGC chain of command assessed as severely disrupted.
First nuclear facility confirmed destroyed. Precision strikes isolated the reactor before engagement to minimize radiological dispersal.
S-300 SAM batteries, Bavar-373 systems, and Khordad-15 short-range systems heavily targeted. Electronic warfare aircraft effectively jamming remaining systems.
"The United States will not permit the world's leading state sponsor of terrorism to acquire nuclear weapons." First wave of 800+ Tomahawk cruise missiles launched from USS Eisenhower, USS George H.W. Bush, and USS Gerald R. Ford carrier strike groups targeting Iranian air defenses and military command infrastructure.
Coordinated Tomahawk strikes from 3 carrier groups and 4 guided missile destroyers. B-2 Spirit bombers from Whiteman AFB launch with GBU-57 bunker busters. F-22 and F-35 establish air superiority within 4 hours.
Iran launched approximately 40 ballistic missiles toward U.S. bases in Qatar and Bahrain. All intercepted by THAAD and Patriot PAC-3 systems. Zero impacts on allied facilities.
Iran deploys sea mines in Strait of Hormuz. U.S. Fifth Fleet declares the strait closed to commercial vessels pending mine-clearing operations. Iran's IRGC Navy engages — 5 fast-attack boats sunk within first 8 hours.