As fears of an escalation grow, Washington announces ‘Task Force Iron Gate’. As the threat of renewed war grows, Washington is expanding efforts to choke Tehran’s military supply networks, including through Task Force Iron Gate – a unit targeting land routes and the Caspian Sea. With it, the US military ⁠⁠⁠⁠is trying to prevent Iran from using ground routes to transport advanced weapons and other materials, the United States Central Command (CENTCOM) announced on Saturday.