Mike Waltz & United States — National security council

Mike Waltz: Mike Waltz is the White House national security adviser who is departing the administration due to a blunder involving a Signal chat and pressure from political allies.

United States — National security council: The United States — National security council is the government body affected by the staff shake-up, with several officials departing due to the incident and political pressure.

Mike Waltz: Mike Waltz, the national security adviser, is facing criticism for using an encrypted app for sensitive military operations and is perceived by Laura Loomer as not 'MAGA-enough', leading to his involvement in the personnel changes.

United States — National security council: The United States — National security council is undergoing a personnel purge initiated by Donald Trump, leading to the dismissal of several senior officials and aides.

Mike Waltz: Mike Waltz, Trump's national security adviser, invited Jeffrey Goldberg to the Signal group chat, leading to the leak. Donald Trump stated that Mike Waltz 'has learned a lesson'.

United States — National security council: The United States — National security council is investigating how a journalist's number was added to the Signal group chat where sensitive information was shared. The council's operational security is under scrutiny.