U.S. President Donald Trump has called on international allies to send forces to secure the Strait of Hormuz following threats from Iran.
Control of the waterway is critical because it serves as a primary chokepoint for global energy. Any prolonged disruption to the shipping lane threatens to spike oil prices and destabilize energy security across Europe and Asia.
Iranian state television reported on Sunday that Iran's top security body is to make a final decision on whether to close the Strait of Hormuz [2]. The waterway, located between Iran and Oman, connects the Persian Gulf with the Gulf of Oman [1, 3].
The tension follows a period of instability where some reports indicate the strait has been effectively closed since war in Iran began last month [2]. President Trump said, "We're sweeping the strait," as he urged allies to provide naval support to ensure the lane remains open [2].
Market analysts warn that the stakes are high due to the volume of trade passing through the narrow corridor. The Strait of Hormuz is responsible for about one-fifth of global oil supplies [3]. Specifically, the lane carries roughly 20% of global oil shipments [3].
Security concerns are compounded by reports that Iran may have laid sea mines within the strait [4]. These obstacles complicate navigation and increase the risk of accidental or intentional escalation between regional powers.
Despite the current tension, some diplomatic efforts have emerged. A breakthrough U.S.-Iran deal announced in 2026 aimed to reopen the strait and end hostilities [5]. However, the recent reports from Iranian state media suggest that the security of the waterway remains a primary point of leverage for the Iranian leadership [2].
“"We're sweeping the strait."”
The potential closure of the Strait of Hormuz represents a systemic risk to the global economy. Because 20% of the world's oil passes through this single point, Iran possesses a 'kill switch' for global energy prices. The shift from the 2026 diplomatic deal to current military posturing indicates that the waterway remains the primary geopolitical tool for Iran to exert pressure on the U.S. and its allies.
