Source: The Hindu| Date: March 12, 2026
Why is this in the news?
Iran’s attacks on ships and the laying of naval mines in the Strait of Hormuz have disrupted one of the world’s most important oil transit routes. As around 20% of global oil passes through this strait, the disruption has pushed up global oil prices and raised concerns about energy security, making it a major international news issue.
The crisis engulfing the Strait of Hormuz is not a sudden escalation — it is the culmination of decades of Iranian strategic planning, now weaponised in the context of a direct military confrontation with the United States and Israel. What began as targeted strikes on merchant shipping has rapidly evolved into what the International Energy Agency has called the largest oil supply disruption in recorded history.
The Strategic Logic Behind Iran's Gamble
Iran's decision to choke the Strait of Hormuz reflects a rational, if high-risk, calculation: that economic pain inflicted on the West can offset the military pressure being applied to Tehran. With roughly 20 percent of global oil and liquefied natural gas normally passing through the strait's two-mile navigable channel, Iran holds a lever few nations possess.
The new supreme leader Mojtaba Khamenei's explicit declaration — that the lever of blocking Hormuz must continue to be used — signals that this is not a tactical improvisation but a deliberate, sustained strategy. Iran is trading military vulnerability for economic coercion.
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Key Insight: Iran is exporting its own oil through the very strait it threatens, letting its tankers pass while targeting vessels serving American and allied interests. This selective blockade maximises leverage while preserving revenue. |
From Missiles to Mines: An Escalating Arsenal
Iran's approach to the strait has followed a methodical escalation. The initial phase involved projectile strikes — missiles and drones — against merchant shipping. More than a dozen vessels have been hit since US-Israeli strikes on Iran in late February, with the Islamic Revolutionary Guards Corps claiming responsibility for several attacks.
The more alarming development is the shift to naval mines. On Thursday, Iran began laying mines in the strait's navigable channels, exploiting a critical vulnerability: while the US Navy has destroyed larger Iranian mine-laying vessels, the IRGC possesses hundreds, if not thousands, of small boats capable of covert mining operations. Mines are indiscriminate, persistent, and psychologically devastating to maritime traffic.
A third weapon — arguably the most effective — is insurance. After a relatively small number of strikes, war-risk premiums have made it prohibitively expensive for many commercial operators to transit the strait at all. Proposals that the US government absorb these costs have been greeted with scepticism, with one analyst estimating the liability exposure at more than $300 billion.
The Global Economic Fallout
Oil at roughly $100 per barrel — approximately $30 above pre-war levels — is reshaping economies worldwide. In the United States, gasoline prices have risen by about 20 percent. Europe has seen natural gas prices surge by more than 43 percent, with diesel costs doubling. The sharpest pain has fallen on Asia, which receives around 70 percent of all crude shipped through Hormuz: Pakistan has moved to a four-day workweek to conserve fuel.
The release of 400 million barrels from IEA strategic reserves — the largest coordinated release on record — has failed to arrest the price surge. This is instructive: the disruption is not a temporary supply blip but a structural shift in global energy flows that reserve releases cannot offset indefinitely.
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The US paradox: Despite being the world's largest oil producer, America cannot insulate itself from global crude prices. Higher prices at US petrol stations undermine the administration's 'energy dominance' narrative, exposing the limits of production volume as a shield against market disruption. |
Was the West Prepared?
A significant strategic question raised by this crisis is whether the United States adequately planned for a prolonged closure of the strait. The IEA's emergency reserve release, while unprecedented in scale, appears reactive rather than pre-emptive. The insurance cost estimates, the rapidity of price escalation, and the logistical challenges of countering small-boat mining operations all suggest that the economic dimension of a Hormuz closure was underestimated.
Iran's own continued oil exports through the strait — with at least 10 Iranian tankers transiting since March 1, according to Lloyd's List Intelligence — reveal a sophisticated asymmetry. Tehran imposes costs on adversaries while preserving its own revenue stream, a posture that complicates any simple narrative of mutual destruction.
What Comes Next
The trajectory of this crisis will be determined by three variables: the pace of mine-laying and the effectiveness of US/allied mine-clearing operations; the resilience of alternative supply routes (notably Saudi and Emirati pipelines bypassing the strait); and the domestic political tolerance in oil-importing nations for sustained price shocks.
Iran has successfully demonstrated that even a significantly weakened military can inflict severe economic damage on far more powerful adversaries through targeted chokepoint warfare. The Strait of Hormuz, long theorised as a potential flashpoint, has become the defining battlefield of this conflict — not through naval supremacy, but through the calculated exploitation of global economic interdependence.
