Adm. Brad Cooper, commander of US Central Command, last week announced Task Force Iron Gate, a new initiative designed to disrupt the movement of illicit goods across Iran’s land borders and the Caspian Sea. It complements the existing US naval blockade of Iranian ports. But implementing Iron Gate will be no easy task, given the sheer length of Iran’s borders and the region’s difficult terrain and geography. Iran shares land borders with Iraq, Turkiye, Armenia, Azerbaijan, Turkmenistan, Afghanis