A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text ...

Roughly a week after Donald Trump started his second term as president, the U.S. military issued an order to three freight ...

Top national security officials — in the White House, the Pentagon and the State Department — couldn’t provide answers.

President Donald Trump has ousted National Security Adviser Mike Waltz and announced that he will nominate him as the next ...