A measure advanced Friday would require the DoD to report on the total financial cost of operations in Iran, including damaged or destroyed U.S. property.
CENTCOM said it had carried out a new round of defensive strikes in southern Iran, while an Iranian drone attack on the Kuwait airport killed one person.
The U.S. has been "highly successful" in achieving its military objectives in Iran, but the country continues to field a robust drone arsenal, Rubio said.