Defense Secretary Pete Hegseth at his confirmation hearing refused to rule out opening fire on protesters if Trump ordered it.

The Trump administration’s chainsaw approach to federal spending lives on, even as Elon Musk turns on the president. On May 28, Secretary of Defense Pete Hegseth announced he’d be gutting a key office at the Department of Defense responsible for testing and evaluating the safety of weapons and AI systems.

The Pentagon on Wednesday said it would cancel plans to procure M10 Booker combat vehicles that it had agreed to in a 2022 contract with General Dynamics Land Systems "in response to current world events.

Hegseth is "making the Pentagon as difficult to cover as possible. And the next step is to ban reporters entirely from the Pentagon"

Pete Hegseth's tenure as defense secretary has resulted in numerous changes at the Pentagon, particularly for journalists covering the Department of Defense. CBS News national security correspondent David Martin explains.

Australia’s defense minister has dismissed concerns that a deal between the U.S., Australia and Britain to provide his country with nuclear-powered submarines could be in jeopardy, following a report that the Pentagon had ordered a review.

The U.S. Army will curtail VIP military helicopter flights around the Pentagon after safety concerns were raised following the January 29 fatal collision of a Black Hawk helicopter with an American Airlines passenger jet near Reagan airport,

UFOs have been back in the news a lot lately, and it may be the case that the government wants it that way. Last week, the Wall Street Journal published the first of a two-part series that probes the ways in which the Defense Department has been responsible for creating and fostering the UFO mythology in America.

The Pentagon is scrambling to establish rules to guide U.S. Marines who could be faced with the rare and difficult prospect of using force against citizens on American soil, now that the Trump administration is deploying active duty troops to the