Trump Tightens Iran Trade Blockade, Extending It to the Caspian Sea Bordering Russia

Even after his midterm election losses, U.S. President Donald Trump has tightened the pressure on Iran, creating a new "Iron Gate" task force to cut off the country's overland and Caspian Sea (an inland sea to Iran's north) trade routes. The move aims to stem the flow of goods into Iran and deepen its economic strain. On Sunday, Trump said, "Iron Gate is now in effect—nothing can get through by land."

The roughly 20-member task force is based at the U.S. Central Command headquarters in Tampa. Farzin Nadimi, a fellow at the Washington Institute, explained that the unit is less a deployable special operations force than a "fusion cell" integrating military, civilian, and intelligence capabilities.

The backdrop is the death of Iran's supreme leader, Ayatollah Ali Khamenei, in a U.S.-Israeli airstrike on March 1, 2026.