Dan Caldwell, the former senior adviser to U.S. Secretary of Defense Pete Hegseth, denied leaking classified information to ...

Dan Caldwell previously worked for an Arizona congressman and was outspoken about the Phoenix VA hospital scandal a decade ...

One of three senior advisors that Defense Secretary Pete Hegseth fired last week over leaks has since claimed he's been framed.

Defense officials say Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, has been placed on administrative ...

Dan Caldwell, who was fired amid a leak investigation, said his unorthodox foreign policy views earned him enemies in the Pentagon.

Hegseth's chief of staff Joe Kasper is moving to a new job, the latest staffing shift after days of upheaval at the Pentagon.

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

The SignalGate scandal has shaken the Trump administration's national security leadership, with officials Dan Caldwell and ...

Dan Caldwell, one of the top adviser to US Defense Secretary Pete Hegseth, was removed from the Pentagon on Tuesday after he ...

Dan Caldwell, a senior adviser to US Defense Secretary Pete Hegseth, was escorted out of the Pentagon on Tuesday and placed ...