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Defence & Security16 Oct 2026 · about 6 min

Iran's Hatami says Hormuz under 'full supervision' of army, IRGC

The brief

The Strait of Hormuz is a narrow sea passage linking the Persian Gulf with the Gulf of Oman and the wider Arabian Sea. It is the main maritime exit for several major oil and gas producers. Iran’s claim of “full supervision” means its army and Revolutionary Guard say they can closely monitor activity and influence which vessels pass. The article reports that Army Commander-in-Chief Amir Hatami said the strait remains closed until “the enemy respects the rights of the Iranian people.” He also claimed that three vessels entered the Sea of Oman and were fired upon. These statements describe Iran using surveillance, warnings, and force to deter shipping. The claim matters because even limited interference can make shipowners, insurers, and governments cautious. The article does not independently verify every claim. If restrictions continue, energy markets, shipping routes, and regional military planning could face growing pressure.

01

What is the Strait of Hormuz, and why does Iran’s claim of “full supervision” matter?

The Strait of Hormuz is a narrow sea passage linking the Persian Gulf with the Gulf of Oman and the wider Arabian Sea. It is the main maritime exit for several major oil and gas producers. Iran’s claim of “full supervision” means its army and Revolutionary Guard say they can closely monitor activity and influence which vessels pass.

The article reports that Army Commander-in-Chief Amir Hatami said the strait remains closed until “the enemy respects the rights of the Iranian people.” He also claimed that three vessels entered the Sea of Oman and were fired upon. These statements describe Iran using surveillance, warnings, and force to deter shipping.

The claim matters because even limited interference can make shipowners, insurers, and governments cautious. The article does not independently verify every claim. If restrictions continue, energy markets, shipping routes, and regional military planning could face growing pressure.

02

How much of the world’s oil and liquefied natural gas normally passes through the Strait of Hormuz?

About one-fifth of the world’s seaborne oil trade normally passes through the Strait of Hormuz. A similar share of globally traded liquefied natural gas, or LNG, also travels through it. Exact estimates vary by year and by whether analysts measure total production, seaborne trade, or petroleum liquids.

This concentration reflects geography. Major energy exporters around the Persian Gulf send cargoes through the strait before ships reach open waters. Tankers carry crude oil and refined products, while LNG carriers transport gas. There is no equally simple replacement for all of these shipments.

The article itself gives no percentage figures, so these are established outside estimates rather than numbers reported in the source. If traffic is restricted, buyers may compete for fewer available cargoes, while exporters may need longer routes or alternative infrastructure. That can increase freight costs, delivery times, and price volatility.

03

What are Iran’s regular army and the Islamic Revolutionary Guard Corps, and what roles do they play around the strait?

Iran’s regular army, known as the Artesh, is the country’s conventional armed force. It operates across land, sea, and air and defends Iran’s territory. The Islamic Revolutionary Guard Corps, or IRGC, is a separate force created to protect Iran’s revolutionary system. Its naval arm is closely associated with operations in the Persian Gulf and around the Strait of Hormuz.

The article reports that Army Commander-in-Chief Amir Hatami said the strait is under the “full supervision” of both the army and the IRGC. In practice, their roles can include monitoring vessels, controlling access, conducting patrols, issuing warnings, and using force. Iran says three vessels were fired upon after entering the Sea of Oman.

The article provides Iran’s claim but does not independently detail each force’s deployment. Their joint presence signals coordinated control and raises the risks for ships, foreign navies, and regional governments if restrictions continue.

04

What happens to oil prices, commercial shipping, and regional security when traffic through the Strait of Hormuz is restricted?

When traffic through Hormuz is restricted, markets often fear that energy supplies will become harder or more expensive to deliver. Oil prices can rise because buyers compete for fewer secure cargoes and traders add a risk premium. LNG prices may also increase, especially where importers depend heavily on seaborne deliveries.

Commercial shipping is affected through delays, rerouting, higher fuel use, and increased insurance costs. Tankers may wait, turn back, or seek longer routes where available. Naval forces may escort ships or confront the party enforcing restrictions. These responses can raise the chance of miscalculation.

The article reports Iran’s claim that traffic is “very limited” and that the strait will remain closed until its demands are met. If that situation lasts, the effects could spread through energy bills, inflation, trade schedules, and regional military deployments. The scale depends on duration and alternative capacity.

05

What alternative routes or methods can oil exporters and importers use if ships cannot pass through the strait?

Oil exporters may redirect some crude through pipelines that reach ports outside the Persian Gulf. They can also use storage, blend available grades, or ship from alternative terminals. Some cargoes may travel around the Arabian Peninsula through longer routes. These options depend on spare pipeline capacity, port access, vessel availability, and security.

Importers can release strategic reserves, purchase cargoes from other regions, switch suppliers, or reduce consumption temporarily. Refineries may adjust to different crude qualities, while power systems may use other fuels where technically possible. LNG buyers can seek cargoes from distant producers, though competition may be intense.

These methods cushion a disruption but do not erase it. The article reports that traffic is already “very limited,” without identifying alternative routes or volumes. If closure continues, longer journeys and limited infrastructure could leave some exporters unable to move all production and some importers facing higher costs.

06

Why has the Strait of Hormuz repeatedly been a source of military tension and disruption in modern history?

The Strait of Hormuz sits beside states with competing political and security interests. It is also the main maritime gateway for major energy exporters. That combination makes ordinary commercial movement part of wider strategic disputes. During wars or confrontations, governments can threaten mines, missiles, patrols, seizures, or other pressure against shipping.

The key mechanism is leverage. A state that can threaten the passage does not need to stop every ship to create fear. Warnings, attacks, inspections, or visible military deployments can raise insurance costs and persuade companies to delay voyages. Foreign navies may then escort ships, increasing the chance of confrontation.

The article reflects this pattern through Iran’s claim of full supervision, its stated closure, and its report of firing on three vessels. It does not provide a historical timeline. More broadly, repeated tension persists because the waterway combines high economic value, limited alternatives, and unresolved regional rivalries.

07

What is a maritime chokepoint, and why can control of one narrow waterway affect economies and countries far beyond the region?

A maritime chokepoint is a narrow or strategically placed waterway that connects larger seas and concentrates shipping. Ships use it because geography makes other routes longer, more expensive, or impractical. The Strait of Hormuz is a classic example because energy cargoes leaving the Persian Gulf must pass through a restricted maritime gateway.

The mechanism is concentration. If authorities close, monitor, threaten, or slow the passage, many separate cargoes can be affected at once. Shipowners may reroute, wait, or demand higher insurance. Buyers may compete for replacement supplies. Governments may deploy naval forces to protect shipping or pressure the controlling state.

Iran’s Army Commander-in-Chief Amir Hatami said the army and IRGC have “full supervision” of Hormuz. He also said the strait will remain closed and that traffic is now very limited. Those claims show why a local decision can influence energy prices, supply chains, and security calculations far beyond the region.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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