The Pentagon’s inspector general has reportedly determined that Secretary of Defense Pete Hegseth improperly used the messaging app Signal to convey sensitive information, thereby putting a United States military operation at risk.Media reports, released on Wednesday, offered a preview of the inspector general’s report, slated to be released in full on Thursday.Recommended Stories list of 3 itemsend of listAnonymous sources familiar with the document told news agencies, including The Associated Press, that Hegseth’s use of a personal device to transmit sensitive information was deemed to run afoul of Pentagon policy.The inspector general’s report focuses on a scandal that unfolded in late March, when the editor-in-chief at The Atlantic magazine, Jeffrey Goldberg, wrote an article describing an extraordinary series of events.Goldberg described how, on March 11, he received an invitation to join a Signal chat, apparently sent by then-national security adviser Mike Waltz.Unsure whether the message was a hoax, Goldberg nevertheless accepted the invitation. Two days later, he said, he found himself in the middle of a conversation that appeared to feature some of the most senior officials in President Donald Trump’s administration.Among the participants were Hegseth, Vice President JD Vance and Secretary of State Marco Rubio.Trump defends Signal chatIn the Signal chat, Hegseth reportedly divulged details in advance about a March 15 attack on Houthi rebels in Yemen. Those details included the precise timing when the F-18 planes would launch, when the drones would arrive, and when both parties would conduct their …