On the 21st U.S. Defense Secretary Hegseth told a Senate Appropriations Committee hearing the U.S. military has the capability to strike Iran’s "Gaoshan" underground nuclear facility, but any strike would depend on weighing the pros and cons. He declined to discuss operational details, calling them classified. Gaoshan, near the Natanz complex in Isfahan province, is considered one of Iran’s most hardened underground nuclear sites.(金十数据)