Tensions in the Persian Gulf have escalated sharply as the U.S. and Iran engage in a series of naval strikes. The U.S. military destroyed five Iranian crude oil tankers in retaliation for ballistic missile attacks on an American warship, prompting Iran’s Revolutionary Guards to claim strikes against U.S. vessels and additional oil tankers. These escalating hostilities in a crucial oil corridor have pushed Brent crude prices close to $100 a barrel, highlighting significant global security and economic implications.
The Persian Gulf is once again a flashpoint as naval hostilities between the United States and Iran intensify, pushing global oil prices higher. In the latest exchange, Iran's Revolutionary Guards Corps (IRGC) announced on Wednesday they had struck two American vessels and eight oil tankers in the Gulf. This claim comes as a direct retaliation for the U.S. military's destruction of five Iranian crude oil tankers just a day prior.
U.S. Central Command (Centcom) confirmed on Tuesday that its forces had targeted the Iranian tankers after the IRGC fired ballistic missiles at an American warship twice in recent days. While the U.S. warship successfully evaded the attacks with no American personnel harmed, Centcom proceeded with retaliatory strikes. Four tankers—the M/T Kaviz, M/T Charminar, M/T Horizon 1, and M/T Riesco—were hit in the Gulf of Oman, while the M/T Derya was destroyed near Iran's Kharg Island. U.S. forces ensured crews abandoned the vessels before rendering them inoperable.
Iran's IRGC, in its statement published by the semi-official Tasnim News Agency, asserted that its operation targeted "10 offending vessels that were inciting and supporting the U.S." and had caused "a lot of damage." The IRGC specifically claimed these vessels had entered a "forbidden and unsafe" zone within the Hormuz Strait.
These escalating confrontations have had an immediate impact on commodity markets, with Brent crude nearing the $100 per barrel mark, reflecting market anxiety over the stability of one of the world's most critical oil corridors.
The White House, under the Trump administration, is pursuing an economic strategy against Tehran, although the recent military actions suggest a rekindling of direct hostilities. Iran's Foreign Minister Abbas Araghchi criticized the U.S. approach on social media, dismissing new sanctions as a "rehash of a failed strategy."
After failing to achieve its aims through sanctions or war, Washington's 'novel' solution is…more sanctions. Seriously?
— Abbas Araghchi (@araghchi) September 8, 2026
Earlier incidents include the U.S. military's destruction of three Iranian tankers on Saturday, also in response to ballistic missile attacks by the Guard on an aircraft carrier and a guided-missile destroyer, which Centcom also reported as unsuccessful.
Adding another layer to the regional complexity, Iran's Revolutionary Guard boasted Tuesday of seizing "one of the most modern, intelligent, unmanned submarines of the American terrorist army" at the Strait of Hormuz entrance. State news agency Fars even shared purported videos and images of the captured vessel.
However, U.S. Navy Captain Tim Hawkins, in a statement shared by U.S. Central Command, downplayed the significance of the incident. He clarified that the unmanned submersible had "malfunctioned more than a day ago" and was an "older model that neither collected sensitive data nor carried any classified sonar or radar equipment." Hawkins emphasized that U.S. operations in the area continue without interruption.
Iranian media identified the sub as a Dive-LD, an autonomous undersea vehicle from U.S. defense contractor Anduril, reportedly costing $2.5 million each. An Anduril spokesperson commented that the Dive-LD is an "attritable autonomous system," designed for dangerous environments where vehicle loss is an expected possibility, and it had already delivered "significant value" in months-long operations.
This incident underscores the increasing reliance of the U.S. military on autonomous technology in the Middle East. Earlier this summer, another drone vessel from Saronic was instrumental in rescuing a helicopter crew in the Hormuz Strait and was later used in strikes on an Iranian submarine and ship facility, highlighting the evolving nature of modern naval warfare.
— Samantha Subin contributed to this report.
