Overview

• President Trump announced the removal of Mike Waltz as National Security Adviser, naming him as the nominee for U.S. Ambassador to the United Nations.
• Secretary of State Marco Rubio will temporarily serve as both Secretary of State and interim National Security Adviser, a dual role last seen under Henry Kissinger.
• The decision comes weeks after Waltz mistakenly added journalist Jeffrey Goldberg to a Signal chat discussing sensitive Yemen military strike plans.
• The Pentagon Inspector General is investigating whether Department of Defense policies were violated and if classified information was exposed during the Signal breach.
• Deputy National Security Adviser Alex Wong is also set to depart, as speculation grows about who will permanently replace Waltz in the national security role.