The unprecedented language used at a Pentagon military briefing indicates that the Trump administration is preparing to use ...

We’re very clear-eyed,” Defense Secretary Pete Hegseth assured Monday about the Trump administration’s war with Iran. He said ...

Monday, U.S. President Donald Trump spoke about the military action in Iran, and U.S. Secretary of Defense Pete Hegseth held a press conference at the Pentagon.

Follow NBC News' live coverage as the U.S. and Israel attack Iran, Tehran hits back across the Gulf, and Hezbollah strikes from Lebanon, while Iran chooses a new supreme leader after the killing of ...

Defense Secretary Pete Hegseth spoke Monday to widening concerns that the U.S.-Israeli strikes in Iran could spiral into a protracted regional conflict by declaring: “This is not Iraq. This is not ...

President Donald Trump on Monday pushed back against mounting criticism that he hasn’t done enough to explain why it was ...

The Trump administration also publicly addressed questions about its strategy for the first time since launching "Operation ...

Iran’s attacks are spreading across the Middle East as Tehran fires missiles and allied militias are joining the fight ...

Defense Secretary called the ongoing operation "our retribution" for Iran's role in sponsoring terrorism, including bombs used during the Iraq war.