Now-former Pete Hegseth chief of staff Joe Kasper initiated the leak investigation that led to the firings of senior adviser ...

A top Defense Department adviser with Arizona ties was escorted from the Pentagon April 15 because he's under investigation ...

A group of Pentagon advisers from previous administrations are ousted, in the latest shake-up under Secretary of Defense Pete ...

Colin Carroll, a former top Pentagon official, said in an interview over the weekend that he's "not sure" if Department of ...

Former Pentagon aide Dan Caldwell denies leaking classified information in an interview with Tucker Carlson. Defense ...

A top Pentagon adviser, who was fired last week alongside two other top Defense Department (DOD) officials, said during a ...

A top Pentagon official who was ousted in a dramatic purge earlier this month has criticized Defense Secretary Pete Hegseth ...

It is unclear what specific information Caldwell, a top adviser in the Office of the Secretary of Defense, allegedly leaked ...

WASHINGTON (Reuters) - One of U.S. Defense Secretary Pete Hegseth's leading advisers, Dan Caldwell, was escorted from the ...

Dan Caldwell, a senior adviser to US defence secretary Pete Hegseth, has been placed on administrative leave following an ...

Pete Hegseth adviser Dan Caldwell was placed on administrative leave in connection with an investigation into unauthorized ...