The United States has imposed sanctions on two Iranian companies accused of charging ships for safe passage through the Strait of Hormuz. Washington is framing the move as an effort to challenge what it sees as Tehran’s use of the strategic waterway to pressure maritime traffic.

The Strait of Hormuz is one of the world’s most important shipping routes, making any attempt to control access there a major geopolitical issue. By targeting the companies tied to these transit charges, the US appears to be trying to weaken Iran’s leverage over vessels moving through the narrow passage.

The sanctions come as tensions between the US and Iran are rising again, adding another layer to an already fragile regional picture. The latest step suggests the dispute is extending beyond broader diplomatic and military friction into the commercial and shipping system that supports global energy trade.

While the full impact will depend on enforcement and the response from shipping operators, the measure underscores how central the Strait of Hormuz remains in US-Iran relations. It also highlights Washington’s focus on limiting any mechanism that could let Tehran turn a vital trade corridor into a source of pressure or revenue.