U.S. President Donald Trump announced on Thursday the nomination of his outgoing National Security Advisor, Mike Waltz, as the next U.S. ambassador to the United Nations. This move marks the most significant reshuffling within Trump’s national security team since the start of his second term in office. In a social media post, Trump praised Waltz’s dedication, saying, “Mike Waltz has worked hard to prioritize our Nation’s Interests throughout his time in uniform, in Congress, and as my National Security Adviser. I know he will do the same in his new role.” The nomination, which requires Senate confirmation, follows Waltz’s departure from the White House, along with his deputy, Alex Wong, as reported by multiple news outlets.
Secretary of State Marco Rubio will temporarily assume the duties of National Security Advisor, becoming the first official since Henry Kissinger to simultaneously hold both roles of Secretary of State and National Security Advisor. This interim arrangement underscores the administration’s push for ideological alignment and loyalty within its senior ranks. Waltz’s nomination comes after the withdrawal of Elise Stefanik’s candidacy for the UN post in March, leaving the position vacant since the departure of Linda Thomas-Greenfield in January.