The United States and Israel are discussing a possible land blockade of Iran, The Telegraph can reveal. Sean MacFarland, a retired three-star lieutenant general, said that while a land blockade would be "almost impossible", "if you take away Iran's ability to trade... then you are isolating them economically. Advertisement AdvertisementAdvertisement Advertisement"Iran borders a whole bunch of countries over land, and Iraq is very aligned with Iran. A land blockade could target key border crossings such as Incheh Borun and Sarakhs-Sarahs, which connect Iran and Turkmenistan. A land blockade would fit his maximum-pressure strategy aimed at crippling Tehran's economy, which began with a naval blockade.