Particle.news

Download on the App Store

Trump Removes Waltz as Security Adviser, Nominates Him for UN Ambassador

Marco Rubio steps in as interim National Security Adviser while continuing as Secretary of State in the first major personnel shift of Trump’s second term.

U.S. National Security Advisor Mike Waltz checks his mobile phone while attending a cabinet meeting held by U.S. President Donald Trump at the White House in Washington, D.C., U.S., April 30, 2025.
National Security Advisor Mike Waltz speaks during a television interview at the White House, Thursday, May 1, 2025, in Washington. (AP Photo/Alex Brandon)
National Security Advisor Michael Waltz looks at his phone as he prepares for a TV interview at the White House on May 1, 2025 in Washington, DC. This week marks the first 100 days of U.S. President Donald Trump’s second term.
Michael Waltz at the White House on May 1, 2025.

Overview

  • Mike Waltz has left his role as National Security Adviser following fallout from a Signal messaging breach involving sensitive military plans.
  • President Trump announced Waltz’s nomination as U.S. Ambassador to the United Nations, a position requiring Senate confirmation.
  • Secretary of State Marco Rubio will temporarily serve as National Security Adviser, marking a dual role for the senior official.
  • Deputy National Security Adviser Alex Wong is also departing, signaling broader changes within Trump’s national security team.
  • The March Signal breach, which mistakenly included a journalist in discussions about Yemen airstrikes, prompted bipartisan criticism and ongoing investigations into operational security practices.