The Persian Gulf’s narrow entrance, the Strait of Hormuz, is once again under scrutiny as Iran gears up for a military exercise that may involve firing into a critical global shipping lane. Iran has alerted ships about a live fire drill scheduled for Sunday and Monday in the strait, through which about one-fifth of the world’s traded oil passes between the Islamic Republic and Oman.
The U.S. military’s Central Command has issued a warning to Tehran, cautioning against any unsafe and unprofessional conduct near U.S. forces, regional partners, or commercial vessels, as it could heighten the risks of collision, escalation, and destabilization.
The Strait of Hormuz, resembling a bend when viewed from above, is just 33 kilometers wide at its narrowest point. It connects the Persian Gulf to the Gulf of Oman, acting as a gateway for ships traveling to other parts of the world. While Iran and Oman have territorial waters in the strait, it is considered an international waterway open to all ships. The United Arab Emirates, home to Dubai, also lies near this strategic waterway.
Throughout history, the Strait of Hormuz has been crucial for trade, facilitating the passage of goods like ceramics, ivory, silk, and textiles from China. In the modern era of supertankers, the strait’s depth and width allow oil to flow through it. While there are alternative pipelines in Saudi Arabia and the UAE, most oil and gas shipments passing through the strait have no other viable exit routes, according to the U.S. Energy Information Administration. The majority of oil and gas transiting through the strait is destined for Asian markets.
Iran has announced plans for a drill that might intersect a key trade route in the strait. Details are scarce, but it is expected to involve the country’s paramilitary Revolutionary Guard, which operates fast-attack vessels in the region, often leading to tense encounters with the U.S. Navy.
Responding to Iran’s planned drill, the U.S. military’s Central Command has issued a stern warning to Iran and the Revolutionary Guard, emphasizing the need for professional conduct in international waters and airspace. The U.S. Navy’s 5th Fleet, based in Bahrain, is prepared to counter any unsafe actions that could jeopardize American warships or commercial vessels.
Tensions have escalated over Iran’s crackdown on protests and its nuclear program, prompting U.S. President Donald Trump to consider military action. Trump has set red lines related to Iran’s treatment of protesters and mass executions. The USS Abraham Lincoln aircraft carrier and accompanying destroyers are positioned in the Arabian Sea, ready for potential action. Iran has threatened pre-emptive strikes against American interests in the Middle East and Israel as a response.