The navy of Iran's Islamic Revolution Guard Corps (IRGC) announced on Sunday, 2 November 2026 that two oil tankers — including a supertanker — suffered explosions and were halted after striking naval mines in the Strait of Hormuz. The IRGC described the vessels as 'violating' tankers navigating an 'unauthorised' route through the strategically critical waterway.

What Happened in the Strait

According to a statement published on the IRGC's official outlet Sepah News, the supertanker 'suffered a massive explosion and is burning.' Both vessels had reportedly switched off their navigation and identification systems at the time of the incident. The IRGC said the tankers were transiting a route it had designated as off-limits.

Iran reportedly tightened its control over the Strait of Hormuz on 28 February, barring safe passage to vessels belonging to or affiliated with Israel and the United States — a move Tehran framed as retaliation for joint US-Israeli strikes on Iranian territory.

IRGC Signals Wider Escalation

Separately, IRGC spokesperson Hossein Mohebbi addressed a conference in Iran's southeastern Kerman province on Sunday, declaring that Iranian forces had 'determined a vast battlefield to inflict damage on the enemy and achieve complete deterrence.' He said Iranian forces were more prepared than ever 'to respond decisively to the enemy.'

Mohebbi also cited recent orders from Supreme Leader Mojtaba Khamenei to senior military commanders, stating that Khamenei's directives 'opened a new chapter of war.' He emphasised Khamenei's position that 'there is no geographical limitation in the war with the United States,' adding that the IRGC had placed identifying new enemy targets and planning operations in new geographical regions on its formal agenda.

On Saturday, a separate statement from Iran's leadership had instructed senior armed forces commanders to ensure any threat from 'enemies' is met with an 'immediate and effective' response, explicitly without geographical limitations.

US Military Options on the Table

The tanker explosions and Iranian warnings come against a backdrop of sharply rising US-Iran tensions. According to The Wall Street Journal, US President Donald Trump was briefed on Thursday by top military officials on options regarding Iran. The publication also reported that the United States had informed several Gulf countries to prepare for a possible brief but intense military campaign against Iran following the US midterm elections.

Why the Strait of Hormuz Matters

The Strait of Hormuz is the world's most critical oil chokepoint, through which roughly 20% of global crude oil and petroleum products transit. Any sustained disruption risks immediate shocks to global energy markets and supply chains. This is not the first time Iran has used the strait as a pressure lever — the country has a documented history of tanker seizures and incidents in the waterway dating back to the 1980s 'Tanker War.'

Notably, the simultaneous triggering of naval mines, IRGC battlefield declarations, and reported US military planning signals a convergence of escalatory moves that analysts warn could rapidly spiral beyond either side's intent. With the US midterm elections providing a potential political inflection point, the coming days will be closely watched by energy markets and regional governments alike.