 U.S. strikes Iran-aligned militias following drone attack that killed an American. The U.S. military on March 23 launched airstrikes against Iran-supported group in Syria following a drone strike on a base used by the U.S. personnel in northern eastern Syria, Pentagon said. The drone attack on the base near Hasakah, Syria had killed a U.S. contractor and wounded six others. According to U.S. intelligence, the attack was carried out by an unmanned aerial vehicle made by Iran. Five U.S. troops and one-edition U.S. contractor were injured during the drone attack. The attack against U.S. personnel took place at around 1.38 p.m. on Thursday, Pentagon said. Secretary of Defense Lloyd Austin said the U.S. delivered retaliatory precision strikes in eastern Syria against facilities used by a group linked to Iran's Islamic Revolutionary Guard Corps at the direction of President Joe Biden. The airstrikes were conducted in response to today's attack as well as a series of recent attacks against coalition forces in Syria by groups affiliated with the IRGC, Austin stressed. No group will strike our troops with impunity, the U.S. official added. Iran's state press TV said no Iranian had been killed in the attack, also quoting a local source as denying the target was Iran-linked military post.