Ahead of Friday's attack on Iran, Israel had spent months smuggling in parts for hundreds of quadcopter drones rigged with explosives—as well as munitions that could be fired from unmanned platforms,

The retaliatory strikes came on Saturday, a day after Israel killed top Iranian military leaders and scientists and destroyed an aboveground nuclear enrichment plant near Natanz.

The Israel-Iran conflict has erupted into an all-out military confrontation, with both nations unleashing heavy missile and drone strikes. After Israel's preemptive attacks on Iran's nuclear and missile infrastructure under "Operation Rising Lion",