Two U.S. troops died in an attack by Iran-backed forces Saturday at a Jordan base.
One soldier still missing as of the latest report.
Iran’s Islamic Revolutionary Guard Corps admitted carrying out the strikes that shocked allies.
Sunday, the U.S. responded with airstrikes on Iranian targets.
President Trump called the soldier deaths unacceptable and pledged swift action and ordered flags lowered at all military posts.
Iran said the U.S. attacks proved its warnings were ignored.
Strikes came as Iranian-backed groups keep attacking across the Middle East.
Midterm elections loom with voters paying close attention, raising stakes in the escalating conflict with regional implications.