What Israel's attack on Iran means for the future of war

In the predawn darkness of June 13, Israel launched a "preemptive" attack on Iran. Explosions rocked various parts of the country. Among the targets were nuclear sites at Natanz and Fordo, military bases, research labs, and senior military residences. By the end of the operation, Israel had killed at least 974 people while Iranian missile strikes in retaliation had killed 28 people in Israel. Israel described its actions as anticipatory self-defence, claiming Iran was mere weeks away from producing a functional nuclear weapon.