Iranian naval commander Shahram Irani warns that Iran has closed the Strait of Hormuz from the Arabian Sea side and will take "swift action" if US forces advance.
On Wednesday, US President Donald Trump claimed to have had a "very good conversation" with Vladimir Putin of Russia.
For the first time since the US-Israeli war on Iran began, US Defense Secretary Pete Hegseth was questioned by legislators on Wednesday.
Until now, the Iran operation has cost $25 billion: Pentagon
Israeli bombings in southern Lebanon on Tuesday killed three members of Lebanon's Civil Defense while they were attempting to conduct a rescue operation.