Mike Waltz, the soon-to-be departing national security adviser at the center of "Signalgate," is seen in new photos using the commercial messaging application during a Cabinet meeting held by President Donald Trump.

National security adviser Mike Waltz and his deputy, Alex Wong, will be leaving their posts in the Trump White House, according to multiple sources familiar with their departure.They are expected to leave Thursday,

National Security Adviser Michael Waltz attends a meeting in the Oval Office of the White House in Washington, DC, on April 7, 2025. Reporter President Donald Trump is replacing his National Security Adviser,