An internal U.S. military investigation preliminarily found that outdated intelligence led to a missile strike on an elementary school in Iran, killing over 170 civilians, mostly children, during a coordinated U.S.-Israeli operation. The strike mistakenly targeted the school, which had been inaccurately identified as a military site based on old intelligence, with evidence pointing to an American Tomahawk missile. Meanwhile, Iran retaliated with attacks killing six U.S. Army Reserve soldiers in Kuwait, escalating the ongoing conflict that the U.S. administration expects to continue for several weeks.