National Security Advisor Mike Waltz accidentally added a journalist to a Signal group chat about classified military action ...

In public, President Trump has defended his national security adviser. But behind the scenes, he has cast around for advice.

US Air Force Secretary Frank Kendall was stumped in Congress as he was questioned over 'exorbitant' military spending Florida ...

Trump said that even though the editor of The Atlantic was inadvertently added to a private chat about military plans, his ...