A widely awaited Department of Defense report concluded that defense secretary Pete Hegseth violated departmental policies when he shared secret information in a Signal messaging chat in March that included details of a planned airstrike in Yemen against Houthi fighters, said a source familiar with the report.

The Signal chat was disclosed after a reporter for the Atlantic was added as a member. It also included JD Vance , CIA director John Ratcliffe and then-national security adviser Mike Waltz. The report did not examine the conduct of those officials, since they do not work at the Department of Defense.

Signal is a publicly available messaging app that was not approved for classified information, but Hegseth and some of the other officials shared information about the pending at

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