Alireza Tangsiri, commander of Iran’s Islamic Revolutionary Guards Corps naval forces, was killed in an Israeli airstrike on Thursday, Iran confirmed. The strike targeted the officer who oversaw Iran’s blockade of the Strait of Hormuz, a critical oil chokepoint. Iran’s closure of the strait has disrupted global shipping, forcing vessels to reroute and increasing fuel costs by 20-30%, per maritime insurers.

Tangsiri’s death raises questions about Iran’s ability to sustain its naval blockade strategy, though state media reported “non-hostile” ship passage through the waterway on Friday. The U.S. Treasury had sanctioned Tangsiri in 2019 and 2023 for drone and missile programs, including his role in testing cruise missiles and overseeing a drone-manufacturing subsidiary. His social media presence, where he threatened U.S.-linked ships and warned against attacks on Kharg Island, amplified his prominence in Iran’s hardline rhetoric.

With Ayatollah Ali Khamenei’s death last month, Tangsiri’s leadership underscored IRGC’s hardline stance. Analysts suggest his absence may disrupt Iran’s coordinated military messaging, but the regime’s resolve to challenge Western sanctions remains unshaken.