5MAR

Two warships sunk at Chah Bahar

3 min read

09:10UTC

CENTCOM video confirms two Iranian warships destroyed at Chah Bahar berths. Combined with the torpedoed IRIS Dena, three of the Pentagon's claimed twenty sinkings are now independently verified.

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Key takeaway

Destroying Chah Bahar's corvettes collapses Iran's two-ocean naval posture: without those hulls, Iran cannot project surface power into the Indian Ocean without first transiting the Strait of Hormuz, which the US already controls.

CENTCOM released video on 5 March showing two Iranian warships destroyed at their berths in Chah Bahar, on Iran's southeast coast: the IRIS Shahid Sayyad Shirazi, a Soleimani-class corvette, filmed ablaze and sinking at pier, and an unnamed Jamaran-class corvette, also struck and sunk dockside. Combined with the IRIS Dena — torpedoed by a US submarine south of Sri Lanka in the first confirmed US torpedo kill of an enemy warship since 1945 — three Iranian naval vessels have now been identified by name or class. The Pentagon has claimed 20 warships sunk . These are the first three independently confirmed.

The gap between three confirmed and twenty claimed is where credibility is contested. Iran's regular navy operates roughly six frigates and corvettes alongside fast-attack craft; the IRGC Navy adds several hundred smaller vessels. If the twenty-ship figure is accurate, it would represent the heaviest naval losses any state has absorbed since the Falklands War in 1982. The Shahid Sayyad Shirazi belongs to Iran's newest domestically built corvette class, commissioned from 2023 — its destruction at berth means one of the navy's most modern platforms was eliminated before it could sortie.

The Chah Bahar strikes carry a distinct tactical signature. Both vessels were destroyed dockside — unable to deploy, unable to defend. Chah Bahar is also the port India has invested in as a trade corridor to Afghanistan bypassing Pakistan, a detail that widens the strike's diplomatic resonance beyond the immediate naval loss. Striking warships in port rather than at sea eliminates the ambiguity of open-ocean engagement and produces imagery that is unambiguous from satellite or close-range video.

Under Iran's internet blackout — now in its sixth day at 1% of normal capacity — independent verification of most Pentagon claims is impossible. The three confirmed sinkings validate a fraction of the US account. The remaining seventeen exist in an information vacuum where neither confirmation nor refutation is currently available. For diplomatic audiences weighing the scale and proportionality of the campaign, the ratio of verified to claimed losses matters as much as the operational damage itself.

Deep Analysis

In plain English

Iran has two coastlines: one on the Persian Gulf and one on the Arabian Sea via Chah Bahar. Ships based at Chah Bahar can sail into the broader Indian Ocean without passing through the Strait of Hormuz — the narrow chokepoint the US already dominates. By destroying the warships at Chah Bahar specifically, the strikes remove Iran's only route to contest Indian Ocean shipping lanes without US permission to pass Hormuz. Combined with the Dena's sinking mid-transit, Iran has effectively lost its Indian Ocean surface presence in under a week.

Deep Analysis

Synthesis

With Chah Bahar's corvettes destroyed and the Dena sunk in transit, Iran's Indian Ocean surface naval presence is functionally eliminated by Day 6. The 17-vessel gap between the Pentagon's 20-warship claim and the 3 independently verified are almost certainly concentrated in the Persian Gulf — suggesting the campaign's Indian Ocean component is complete while the Gulf attrition campaign remains the unverified majority.

Root Causes

Iran's investment in Chah Bahar as a naval base reflects its dispersed-basing doctrine — spreading assets to avoid Hormuz-region concentration and ensure Indian Ocean access. Targeting it suggests the US campaign was designed to collapse Iran's naval dispersal strategy pre-emptively, not simply to engage vessels as they sortied.

Escalation

CENTCOM's release of the Chah Bahar video is an information operation choice that raises reputational stakes for the IRGC Navy — providing two of the three named kills while the other 17 remain unverified. Public humiliation of the IRGC at this level historically generates internal institutional pressure to respond, independent of the Supreme Leader's strategic calculus.

What could happen next?

Consequence
Iran's Indian Ocean surface naval presence has been functionally eliminated, removing its ability to threaten commercial shipping lanes east of the Strait of Hormuz.
Immediate · Assessed
Precedent
CENTCOM's selective video disclosure provides partial corroboration of claimed kills while leaving 17 vessels unverified, establishing a pattern of curated battle-damage reporting that will shape how analysts and allies assess future Pentagon claims.
Short term · Suggested
Risk
India's $500M Chabahar port investment may be operationally disrupted if military operations have damaged commercial port infrastructure beyond the naval berths.
Short term · Suggested
Meaning
The destruction of Iran's most advanced domestically built surface combatants before combat deployment eliminates a future capability, not merely a current force — the Soleimani-class programme may not be reconstituted for a decade.
Long term · Assessed

Source Landscape

This story draws on neutral-leaning sources from Netherlands and United States

Netherlands

United States

The closest structural parallel is the first hours of the 1967 Six-Day War, when Israeli strikes destroyed Arab air forces on the ground before they could sortie — removing a capability layer entirely rather than attriting it in combat.

The 'at berth' destruction pattern at Chah Bahar follows the same logic: denying the platform before it can be employed, at far lower operational risk than engaging it underway.

Why it’s relevant now

Chah Bahar is Iran's only port with direct Arabian Sea access, bypassing the Strait of Hormuz; destroying corvettes there specifically eliminates Iran's ability to contest Indian Ocean transit routes independently of US control of Hormuz — a more strategically targeted outcome than sinking the same vessels in the Gulf.

Chah Bahar is also the terminus of India's approximately $500M infrastructure investment under the 2016 India-Iran Chabahar Agreement, intended to give India an overland corridor to Afghanistan and Central Asia bypassing Pakistan.

Military operations in the port zone will complicate or halt Indian commercial shipping through those berths, putting India's strategic connectivity investment at operational risk and adding a concrete economic dimension to the Indian political pressure described separately in Event 8.

IISS Military Balance 2025 lists the Soleimani-class as the leading edge of Iran's domestic naval modernisation programme, equipped with Noor anti-ship missiles and point-defence systems — representing Iran's move toward blue-water capability.

Their destruction before operational maturity eliminates a capability that had not yet been tested in combat, removing a future threat rather than a current one.

Sources:Naval News·USNI News

Mentions:Pentagon →CENTCOM (US Central Command) →Chabahar →United States →National Security Council (Iran) →Islamic Revolutionary Guard Corps (IRGC) →IRIS Dena →Sri Lanka →Falklands War →Iran →

First Reported In

Update #21 · $1.1bn radar destroyed; warships named

Naval News· 5 Mar 2026

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Causes and effects

Caused by

20 warships claimed sunk; one confirmed

Pentagon's claim of 20 warships sunk is being incrementally verified; CENTCOM video provides first independent confirmation of two additional ships beyond the Dena

Occurred 4 Mar 2026

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This Event

Two warships sunk at Chah Bahar

The first independently verified warship destructions provide a concrete floor for Iran's naval losses while leaving the vast majority of Pentagon claims unverifiable under Iran's communications blackout — a gap that shapes credibility assessments for both sides.

Different Perspectives

IAEA

Director General Rafael Grossi appeared in person at the UNSC on 19 May and warned that a direct hit on an operating reactor 'could result in very high release of radioactivity'. The session produced a condemnation record but no resolution, and the Barakah perimeter was already struck on 17 May.

Hengaw (Kurdish rights monitor)

Hengaw documented three judicial executions and the detention of Kurdish writer Majid Karimi in Tehran on 19 May, establishing Khorasan Razavi province as the newest geography in Iran's wartime judicial record. The organisation's Norway-based operation continues to surface a domestic repression track running in parallel with every diplomatic and military development.

India

Six India-flagged vessels conducted a coordinated cluster transit under PGSA bilateral assurances during the 17 May window, paying no yuan tolls. New Delhi's inclusion in Iran's state-to-state passage track insulates Indian energy supply without requiring endorsement of the PGSA's yuan-toll architecture or alignment with the US coalition.

Pakistan

Pakistan is the only functioning diplomatic bridge between Tehran and Washington. Its role is relay, not mediation in the settlement sense: it conveyed Iran's 10-point counter-MOU in early May, relayed the US rejection, and is now passing 'corrective points' in the third documented exchange of this sub-cycle without either side working from a shared text.

UK and France (Northwood coalition)

Twenty-six coalition members have published no rules of engagement eight days after the Bahrain joint statement; Lloyd's underwriters have conditioned war-risk reopening on written ROE from either Iran or the coalition. Italian and French mine-countermeasures deployments are operating on the in-water clearance task CENTCOM Admiral Brad Cooper's 90% mine-stockpile claim does not address.

Saudi Arabia

Riyadh has not publicly commented on the Barakah strike or the 50-47 discharge vote. Saudi output feeds the IEA's $106 base case; the $5 Brent premium above that model reflects institutional uncertainty no Gulf producer can compress through supply adjustment alone.