CENTCOM recast President Donald Trump’s order so the U.S. Navy would stop vessels entering or leaving Iranian ports, not all ships transiting the Strait of Hormuz.
The narrower rule aims to keep the blockade legally defensible under maritime law by preserving transit passage for ships bound to non-Iranian ports in the 21-nautical-mile strait.
Trump had declared in mid-April that the U.S. would blockade “any and all” ships using Hormuz after talks to reopen the waterway collapsed, drawing immediate legal objections.
Iran had already tightened pressure by attacking shipping, laying mines and imposing a toll system; even limited disruption helped drive up insurance costs and global energy prices.
The episode underscores how cheap missiles, drones and mines can weaponize chokepoints, raising fears that similar tactics could spread to Asian routes such as Malacca, Taiwan and Luzon.
As Iran's tactics disrupt Hormuz, is the world's reliance on Taiwan's chip dominance an even greater economic risk?
With cheap drones challenging billion-dollar warships, what is the future of naval power and global trade security?
Can decentralizing supply chains truly insulate the global economy from the growing threat of weaponized trade routes?
The 2026 Strait of Hormuz Blockade: Economic Fallout, Legal Standoff, and Diplomatic Deadlock
Overview
On February 28, 2026, US and Israeli strikes triggered a major crisis in the Strait of Hormuz, as Iran responded by blocking shipping traffic and laying extensive mines in the waterway. Iran’s Revolutionary Guards Navy warned of a 'heavy assault' on American ships if Iranian vessels were attacked. During a ceasefire, Iran tried to impose a $2 million toll on each oil tanker, allowing safe passage only with military coordination. Experts see these actions as a coercive threat, forcing international shipping to comply with Iran’s terms and raising global risks for trade and security.