Iran War Day 26: Submarine Lab Destroyed, Ceasefire Collapses

March 25 was the day Iran’s diplomatic exit closed and the war’s geographic reach hit a new extreme. The IDF struck Mashhad — Iran’s second-largest city and a pilgrimage center 850 kilometers from Israel — for the first time since the war began. Iran’s Foreign Minister publicly rejected Trump’s ceasefire terms with contemptuous language and issued five counter-demands that no US administration could accept. The Habbaniyah base in Iraq was struck again — this time killing seven Iraqi regular soldiers at a medical clinic, not PMF fighters. Three theaters, three different kinds of escalation, all on the same day.

IDF Strikes Mashhad: Most Northeastern Target of the War

The combined US-Israeli force struck the 14th Artesh Air Force Tactical Airbase in Mashhad, Khorasan Razavi Province. The base shares a perimeter with Mashhad International Airport. Iranian OSINT accounts published geolocated photos of strikes near the airport within hours. Iranian officials confirmed the strikes to local media.

CTP-ISW noted the significance: Mashhad is the most northeastern site the combined force has targeted since the war began on February 28. The strike came as Israeli PM Netanyahu reportedly ordered the IDF to maximize destruction of Iran’s arms industry within a 48-hour window — a directive that appears to have driven the operational tempo of the entire day.

Isfahan: Iran’s Only Submarine R&D Center Destroyed

The Israeli Air Force, guided by Israeli Navy Intelligence, struck Iran’s Underwater Research Center in Isfahan — the sole facility in Iran responsible for designing and developing submarines and unmanned naval vessels for the Iranian Navy. The IDF stated the strike “significantly limits the regime’s ability to manufacture new and advanced submarines.” In the same strike wave, the Isfahan offices of the Iranian MoD’s optics company — which produces military optical equipment — were also targeted.

Destroying the submarine R&D center does not eliminate Iran’s existing submarine fleet, but it severs the production pipeline for next-generation vessels. Iran operates a fleet of midget submarines and semi-submersible craft that have historically been used for Gulf interdiction operations. Those vessels now have no domestic pathway to replacement or modernization.

Tehran: Naval Cruise Missiles and Explosives Production Hit

The IDF struck two naval cruise missile production sites in Tehran — both operated under the Iranian Ministry of Defense — that had been developing long-range naval cruise missiles. The IDF stated the strikes caused “extensive damage to the cruise missile array.” Additional targets included a major explosives production facility, sites manufacturing aerial and naval weaponry (including weapons produced for Hamas and Hezbollah), anti-aircraft missile launch positions, and Basij Force and IRGC headquarters.

The pattern is consistent across three weeks of strikes: Israel is not destroying individual weapons. It is dismantling the industrial processes that regenerate them.

IDF Lebanon: Dahieh Command Center, Bridges, Al-Amana

In Lebanon, the IDF destroyed Hezbollah’s Dahieh command center in Beirut’s southern suburbs, struck multiple Al-Amana fuel stations (Hezbollah’s financial and logistics infrastructure), dismantled weapons storage facilities, and hit Lebanon bridges to block southward weapons transfers. One IDF reserve soldier was severely injured by rocket fire in Lebanon.

The Lebanese health ministry reported 41 killed and 40 injured across Lebanon for the day’s strikes — the highest single-day Lebanese toll since the war began.

Iran Rejects Trump’s 15-Point Plan, Issues 5 Counter-Demands

This was the day Iran’s public diplomatic posture shifted from evasive to explicitly dismissive. Foreign Minister Abbas Araghchi rejected the US 15-point ceasefire proposal — transmitted through Pakistan — calling it “extremely maximalist and unreasonable” and adding: “It is not beautiful, even on paper.” He stated Iran was not in negotiations and “does not plan on any.”

Iran issued its own five conditions for ending the war:

  1. Complete halt to US and Israeli “aggression and assassinations”
  2. Concrete mechanisms to prevent reimposition of war
  3. Guaranteed payment of war damages and reparations
  4. Iranian sovereignty over the Strait of Hormuz
  5. End to attacks on the Axis of Resistance

Condition 4 is the hardest wall. No US administration can accept Iranian sovereignty over the Strait of Hormuz — a waterway through which 20% of global oil transit flows. The demand serves a different purpose: it establishes a publicly stated condition that guarantees negotiations cannot succeed, allowing Iran to argue the US is the obstacle to peace while continuing to fight.

The US 15-point proposal — which included dismantling Iran’s nuclear program, halting enrichment, handing over enriched uranium, full IAEA access, and missile limitations — was always a maximalist opening bid, not a final offer. What changed on March 25 is that Iran made its rejection formal, public, and loaded with demands designed to be rejected in turn. The negotiating track is not dead, but it is definitively not open.

Iraq: US Strikes Habbaniyah Clinic — 7 Iraqi Soldiers Killed

The most politically consequential event of the day was not in Iran or Israel. It was at the Habbaniyah base in Anbar province.

A US Air Force A-10 struck a military clinic and engineering unit at Habbaniyah, killing seven Iraqi soldiers and wounding thirteen. The Iraqi Defense Ministry stated the aircraft fired a second time as rescue teams worked at the site. These were not PMF fighters. They were Iraqi regular military personnel at a medical facility.

The same base was struck the previous day in a US attack that killed 15 PMF fighters including a senior commander. The two events are distinct. One was a targeted counter-militia strike. The other destroyed a military clinic and killed uniformed Iraqi Army soldiers.

Iraqi PM Mohammed Shia al-Sudani summoned the US charge d’affaires in Baghdad and delivered a formal protest. Baghdad announced a complaint to the UN Security Council. Al-Sudani’s spokesman said Iraq “reserves the right to respond by all means permitted under the UN Charter” — the same language that precedes military escalation in international law.

Iraq is not a belligerent in this war. It has been hosting US forces, enduring US airstrikes, absorbing PMF activity, and receiving Iranian missiles simultaneously — and it is now filing UN complaints against both belligerents. The Habbaniyah clinic strike has handed Baghdad the most legally and politically defensible basis for demanding US withdrawal since the war began.

PMF Drone Destroys US Black Hawk at Victoria Base

The Islamic Resistance in Iraq released footage on March 25 showing a fiber-optic FPV drone — estimated cost $500 — destroying a UH-60M Black Hawk helicopter (unit cost $18 million) and an AN/MPQ-64 Sentinel air defense radar at Victoria Base, near Baghdad International Airport. Regional fact-checker Misbar independently verified the strike through geolocation of video landmarks.

The cost exchange ratio is 1:36,000. The Islamic Resistance claimed eight separate attacks on Victoria Base in the preceding days alone. Whether or not these small drones shift military outcomes at the operational level, their effect on US public perceptions of the Iraq theater is cumulative and real.

Kuwait Airport: Iranian Drone Hits Fuel Tank

An Iranian drone struck a fuel storage tank at Kuwait International Airport on March 25, igniting a massive fire. The Kuwait National Guard intercepted six drones in the same attack; this one got through. No casualties were reported. Kuwait’s Directorate General of Civil Aviation initiated emergency procedures. The airport has been largely closed to commercial flights since the war began.

Russia Accelerates Bushehr Evacuation

Rosatom evacuated another 163 staff from Iran’s Bushehr Nuclear Power Plant on March 25, leaving approximately 300 remaining. Rosatom chief Alexei Likhachev confirmed more would be leaving. Russia had already evacuated 150 staff by March 12 and suspended construction of additional Bushehr units at the war’s start.

The accelerating evacuation pace — 150 in the first 12 days, 163 in the next 13 — signals a Russian assessment that Bushehr’s safety cannot be guaranteed. The plant was struck by a projectile on March 24 (IAEA confirmed). A radiation release from a damaged Bushehr reactor would affect Kuwait, Bahrain, UAE, and Qatar — the same countries Iran has been striking with drones and missiles.

CENTCOM: Two-Thirds of Iran’s Arms Manufacturing Destroyed

CENTCOM Commander Admiral Brad Cooper stated on March 25 that the combined force has struck over 10,000 sites across Iran since February 28, and has damaged or destroyed over two-thirds of Iran’s missile, drone, and naval production facilities and shipyards. Cooper said the US is “on a path to completely eliminate Iran’s wider military manufacturing apparatus.”

The claim is US military self-assessment and is not independently verifiable. Its primary function may be as much political as operational — establishing the narrative frame for any eventual ceasefire deal, in which Washington can claim it achieved its core objective of degrading Iranian military capacity before negotiations concluded.

Events tracked on the Iran War interactive map.

Sources

IDF Strikes on Iran (Mashhad, Isfahan, Tehran)

IDF Lebanon Strikes

Iran Rejects Ceasefire / 5 Counter-Conditions

Iraq: Habbaniyah Clinic / Victoria Base

Kuwait Airport

Russia / Bushehr