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

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

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.

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

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

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

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

A top advisor to Defense Secretary Pete Hegseth, Dan Caldwell, was escorted out of the Pentagon on Tuesday and placed on ...

Dan Caldwell, a senior adviser to US defense secretary Pete Hegseth, has been put on administrative leave for an ...