Iran's Regional Influence Shifts Amidst War, Leveraging Waterways
While traditional strongholds weaken, Tehran finds new leverage points in maritime chokepoints like the Red Sea and Strait of Hormuz.
Israel's destruction of Hezbollah's underground command center in southern Lebanon on September 10 marked a significant blow to Iran's regional network and its most prominent ally. This loss, coupled with the weakening of Iranian influence in the Levant following the fall of Bashar al-Assad in Syria in 2024, has reshaped the geography of Tehran's regional sway.
Expanding Reach in Maritime Chokepoints
Simultaneously, Iran's partners have been expanding their influence in other strategic areas. In Yemen, the Houthi movement has seized territory along the Red Sea coast, advancing towards control of the Bab al-Mandab strait, a crucial passage connecting the Red Sea to the Gulf of Aden. This development, alongside Iran's continued pressure on the Strait of Hormuz, underscores a strategic shift where Tehran is leveraging maritime waterways to exert influence and impose costs.
Senior Iranian officials have described a "new security belt" stretching from the Strait of Hormuz to Bab al-Mandab, highlighting a growing emphasis on the ability of Iran and its allies to threaten global trade and energy exports. The Houthi capture of the port city of Mokha and Perim Island in Yemen strengthens their position at the southern entrance to the Red Sea, enabling closer monitoring of vessels and potential deployment of weapons near shipping lanes. While the Houthis state they are targeting only Saudi-linked vessels, the mere threat of attacks has increased insurance costs and prompted shipping companies to reroute, impacting global trade.
Shifting Dynamics in the Levant and Beyond
The weakening of Hezbollah and the loss of Syria as a key supply corridor have diminished Iran's traditional