Iran fortifies nuclear sites as U.S. prepares for possible strikes

Iran has strengthened defenses around two nuclear sites and warned regional officials that renewed U.S. strikes could prompt retaliation across the Middle East, according to reports about communications conveyed to intermediaries. The warnings describe possible options, including ground incursions into neighboring countries, but do not establish a finalized military plan. Satellite imagery from last month showed new earthworks around the Natanz and Pickaxe Mountain nuclear facilities, according to reporting based on images analyzed by the Institute for Science and International Security. The barriers were described as defensive measures intended to impede potential ground incursions. Iranian officials reportedly told regional interlocutors that a new U.S. attack could lead to more aggressive attacks on American forces and possible strikes on Gulf targets, including Saudi oil facilities. The reported options also included attempts to sink U.S. warships and attack their crews. These accounts of private warnings rely on people familiar with communications through regional channels.