Iran Strikes US Ships and Tankers in Hormuz Retaliation, IRGC Claims

Iran’s Islamic Revolutionary Guard Corps claimed Saturday evening that the Iranian Navy struck three US-affiliated ships and three oil tankers transiting the Strait of Hormuz, describing the operation as a direct response to earlier American strikes on Iranian vessels in the same waterway, according to the Jerusalem Post.

The claimed operation, if accurate, would mark a significant escalation in the naval confrontation between the United States and Iran that has unfolded across the Persian Gulf and Gulf of Oman throughout the day. Neither US Central Command nor any shipping authority had confirmed the strikes as of publication.

The IRGC Claim

The IRGC framing is explicitly symmetric. The statement described six targets — three oil tankers and three US-affiliated ships — matching the number of Iranian tankers the United States struck in an earlier exchange, according to the Jerusalem Post report. The Iranian regime has consistently framed each of its responses as proportional and reactive, a posture designed to limit international pressure for de-escalation while continuing offensive operations.

The statement did not identify the targeted vessels by name, flag, nationality of ownership, or cargo. It was not clear from available reporting whether the operations involved naval gunfire, missiles, mines, or fast-attack boat maneuvers — all tools Iran’s naval forces have used in past confrontations in the strait.

The IRGC controls Iran’s naval forces in the Persian Gulf and Strait of Hormuz through the IRGC Navy, a separate force from the Islamic Republic of Iran Navy that operates in deeper blue-water environments. The IRGC Navy has a documented history of seizing, shadowing, harassing, and attacking commercial shipping, particularly during periods of elevated tension.

Context: The US Strikes That Preceded It

Earlier Saturday, the United States military struck Iranian oil infrastructure, including at least one tanker near Kharg Island — Iran’s primary crude oil export terminal — according to previous reporting by this outlet (see US missile strike on Iranian tanker near Kharg Island and US missile strikes Iranian oil tanker). The US Defense Secretary had also issued direct warnings to Iran about further escalation targeting its tanker fleet.

Saturday’s IRGC announcement follows the established escalation pattern: Iran declared it would respond in kind to strikes on its oil infrastructure, and the Hormuz operation — if confirmed — appears to be that response.

The Strait: Why It Matters

Roughly 20 percent of the world’s seaborne oil supply transits the Strait of Hormuz, according to the US Energy Information Administration. The channel narrows to approximately 33 kilometers at its most constrained navigable point, between Iran’s coastline and the coast of Oman.

Iran has spent decades developing a naval doctrine specifically designed to threaten or close the strait in a conflict with the United States. That doctrine relies on swarming fast attack craft, anti-ship cruise missiles, and naval mines — weapons suited to the strait’s shallow, confined geography rather than open-ocean engagement. The mere credible threat of closure is sufficient to move global crude prices.

The three tankers the IRGC said it targeted Saturday were traveling through the strait — the only route connecting Persian Gulf oil producers to global markets. Any sustained attack on commercial shipping there would force shippers to reroute around the Cape of Good Hope, adding weeks to voyage times and sharply increasing costs.

Regional Backdrop

Saturday’s naval exchange does not stand alone. Iran-aligned Houthi forces in Yemen — which receive weapons and logistics support from the IRGC — carried out a missile strike on a crowded road near the city of Taiz, killing at least four civilians, according to Al Jazeera. Houthi forces have maintained continuous pressure on Red Sea and Gulf of Aden shipping throughout 2026, extending the Iran-linked threat to maritime trade well beyond the Hormuz chokepoint.

In Israel, strikes against Hezbollah drone infrastructure in Lebanon continued Saturday, as reported earlier by this outlet. See Israel strikes Lebanon.

The convergence of active fronts — Iran’s direct naval confrontation with the US, Houthi operations in the Red Sea, and Hezbollah activity on Israel’s northern border — reflects the extent to which the broader Iran-linked axis is operating simultaneously across multiple theaters.

What Comes Next

US Central Command had not released any statement acknowledging attacks on American-affiliated vessels as of 2200 UTC. A formal US military response or denial would typically come through CENTCOM’s press office, which has been the primary channel for operational announcements throughout the Iran conflict.

Oil markets were closed at the time of the IRGC statement. The reaction to the news will be visible when Asian markets open Sunday morning. Any confirmation that US-affiliated vessels were struck — and any indication of crew casualties — would add immediate upward pressure to crude prices.

The IRGC’s claim of a symmetric six-for-six exchange is, in part, a domestic political performance for Iranian audiences as much as a military statement. Whether it accurately describes what happened in the strait Saturday night remains unverified.