Two U.S. service members were killed and more wounded in an Iranian ballistic missile attack on an airbase in Jordan on Saturday, military officials said. The big picture: This is the first time U.S. troops have been killed since the fighting resumed two weeks ago. The incident raises the number of U.S. service members killed in the war to 16. Driving the news: On Saturday at least two Iranian ballistic missiles hit the Muwaffaq Salti Air Base in Jordan, which hosts U.S. troops and fighter jets. Videos circulating on social media showed the impact of the two missiles and heavy smoke in the area right after. This is breaking news. Check back for updates.