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

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

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

Pete Hegseth shared Yemen attack details in second Signal chat, report claims - Signal messaging chat reportedly included ...

Defense Secretary Pete Hegseth created another Signal messaging chat that included his wife and brother where he shared ...

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

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 ...

Defense Secretary Pete Hegseth created another Signal messaging chat that included his wife and brother where he shared the ...

Department of Defense Secretary Pete Hegseth shared details about an imminent attack on Houthis in Yemen in March in a second ...

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