Iran, Weaponising Strait of Hormuz as Strategic Instrument of War
By 𝔸bdulrazak Tomiwa
As of mid-March 2026, the Strait of Hormuz has evolved from a vital trade artery into the primary theater of a global energy war.
Following the outbreak of the US-Israeli conflict with Iran in late February, this narrow waterway which traditionally carries 20% of global oil and 25% of Liquefied Natural Gas (LNG) has become the centerpiece of a de facto maritime blockade that is currently reshaping the world economy.
The geography of the Strait remains its most potent feature. Measuring only 21 miles wide at its narrowest point, it serves as a natural bottleneck where deep-water shipping lanes are less than two miles wide. This proximity allows Iran to project power using land-based assets, effectively “closing” the route without needing a traditional blue-water navy. By utilizing its long, jagged coastline, the Islamic Revolutionary Guard Corps (IRGC) can deploy mobile missile batteries and drone swarms that are difficult for Western air strikes to fully neutralize.
On March 2, 2026, the IRGC officially declared the Strait “closed” to any vessels associated with “enemy nations.” While the U.S. has since claimed to have significantly degraded Iran’s conventional naval fleet, the route remains functionally closed to commercial traffic. The reality of the “closure” is enforced through high-frequency kinetic strikes. Since the start of March, at least 18 commercial vessels have been targeted, making the region uninsurable for the world’s major shipping giants.
The economic fallout has been immediate and severe. Global oil prices surged past $100 per barrel on March 8, peaking near $126 as markets reacted to the halt of 17.5 million barrels of crude per day. For the first time in modern history, the world is facing a “dual blockade,” as Houthi forces in the Red Sea have simultaneously ramped up attacks, effectively cutting off both major maritime shortcuts between Asia and Europe.
A defining feature of this 2026 crisis is the use of “gray zone” tactics, specifically electronic warfare. Massive GPS jamming and AIS (Automatic Identification System) “spoofing” have turned the Persian Gulf into a navigational minefield. Civilian ships report “ghost signals” that place them miles from their actual location, while others “go dark” by disabling transponders to avoid detection. This digital chaos has led to a spike in maritime accidents and has grounded search-and-rescue operations.
In a move to maintain its last economic lifeline, Tehran has introduced a “selective passage” policy. On March 5, reports emerged of negotiations between Iran and Beijing to allow Chinese-flagged ships safe transit. This has triggered a desperate trend of “maritime masquerading,” where non-Chinese vessels broadcast signals like “CHINA OWNER_ALL CREW” on their transponders in hopes of avoiding IRGC drones. However, even these vessels face extreme risk as the U.S. Navy considers intercepting ships suspected of aiding the Iranian regime.
The strategic leverage of the Strait has also been weaponized by Iran’s new leadership. Following the death of Supreme Leader Ayatollah Ali Khamenei in early March strikes, the regime under Mojtaba Khamenei has doubled down on the blockade. Tehran’s strategy has shifted from traditional maritime control to “control through risk,” betting that the threat of a $200-per-barrel oil price will eventually force the international community to pressure Washington for a ceasefire.
The humanitarian stakes for regional neighbors are equally dire. Countries like Kuwait, Bahrain, and Qatar, which rely almost exclusively on seaborne imports for food and medicine, are seeing their supply chains collapse. QatarEnergy’s declaration of force majeure on LNG shipments on March 4 signaled that even the wealthiest Gulf states are no longer immune to the physical and economic paralysis radiating from the Strait.
Alternative routes offer little immediate relief. While Saudi Arabia and the UAE have utilized pipelines to the Red Sea and the Gulf of Oman, these have limited capacity and have themselves become targets for long-range drone strikes. Most global trade is now being diverted around the Cape of Good Hope, adding 10 to 14 days to transit times and massively inflating the carbon footprint and cost of global consumer goods.
Ultimately, the Strait of Hormuz in 2026 represents the ultimate “geopolitical veto.” Iran has demonstrated that a nation doesn’t need to win a conventional war to win a strategic one; it only needs to hold the world’s most critical chokepoint hostage. As the U.S. and its allies weigh the risks of a massive military escort operation, the “Strait of Hormuz lever” remains the most dangerous variable in a conflict with no clear end in sight.
