A third top Pentagon official was placed on administrative leave Wednesday in the fallout of a major leak of sensitive U.S. military intel via a group chat on Signal.

Dan Caldwell, a senior adviser to Defense Secretary Pete Hegseth, has been placed on administrative leave for an “unauthorized disclosure” as part of an ongoing internal investigation into leaks at the Pentagon,

The Pentagon did not disclose specifics for the suspensions of Dan Caldwell and Darin Selnick because the matter is under investigation.