Watch Live: Hegseth, Caine brief on Iran war operations

Defense Secretary Pete Hegseth and Chairman of the Joint Chiefs of Staff Gen. Dan Caine are briefing reporters astatine the Pentagon arsenic the U.S. run against Iran enters its 5th day. It's their 2nd briefing since the violative began Saturday. 

The U.S. subject has deed much than 2,000 targets successful Iran, including bid and power centers, ballistic rocket sites, Iranian Navy ships and submarines, and IRGC headquarters. 

So far, six U.S. work members person been killed and 10 earnestly wounded, a U.S. authoritative told CBS News. On Monday, Caine said the subject expected to instrumentality "additional losses."

Hegseth connected Monday besides outlined the U.S. subject objectives, which included destroying Iranian violative missiles and their production, successful summation to Iran's navy and different information infrastructure. He did not connection an update connected the advancement truthful acold oregon an estimated timeline for the duration of the operation. 

On Tuesday, Under Secretary of Defense for Policy Elbridge Colby was asked during a Senate Armed Services Committee proceeding wherefore it was indispensable for the U.S. to instrumentality subject enactment against Tehran implicit the weekend. 

Colby referred to remarks made by Hegseth, Caine, and President Trump, who've spoken of the "rapid buildup and reconstitution" of Iran's rocket and one-way onslaught drone capabilities, but did not springiness a circumstantial crushed for what prompted President Trump's bid to statesman the cognition past weekend. 

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How to ticker the Iran briefing by Defense Secretary Pete Hegseth and Joint Chiefs Chairman Gen. Dan Caine

• What: Defense Secretary Pete Hegseth and Joint Chiefs Chairman Dan Caine little connected Iran operations
• Date: Wednesday, March 4, 2026 
• Time: 8 a.m. ET
• Location: The Pentagon
• Online stream: Live connected CBS News 24/7