Mike Waltz Resigns as Trump’s National Security Adviser

In a major shake-up within President Donald Trump’s second-term administration, National Security Adviser Mike Waltz is stepping down from his White House post, just over 100 days into the role. The resignation follows continued fallout from a high-profile communications blunder now widely referred to as “Signalgate.”

The controversy erupted in March when Waltz accidentally added journalist Jeffrey Goldberg, editor-in-chief of The Atlantic, to a Signal group chat intended for top national security officials.

The chat reportedly included high-level figures such as Secretary of Defense Pete Hegseth, Director of National Intelligence Tulsi Gabbard, and Vice President JD Vance.

In that group, members discussed sensitive plans for airstrikes against Houthi militants in Yemen, including strike times and drone details—information later published by Goldberg in a March 24 exposé.

Despite early denials that classified information had been exposed, screenshots published by The Atlantic showed otherwise, placing immense pressure on Waltz and others involved.

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Initially, President Trump publicly defended Waltz, calling the mishap a “mistake” and stating, “He’s not getting fired.” But behind closed doors, trust began to erode. The incident sparked intense scrutiny on Capitol Hill, with lawmakers grilling intelligence officials over the exposure of potential war plans.

Waltz’s resignation also comes amid reports of increasing influence by far-right activist Laura Loomer, who recently visited the White House and advised Trump to purge top National Security Council members. Following Waltz’s exit, Loomer posted on X, expressing hope that others “promoted under Waltz” would also be removed.

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Alongside Waltz, Deputy National Security Adviser Alex Wong is also stepping down, marking further reshuffling within Trump’s national security ranks.

With Waltz out, Trump has now seen the departure or failed confirmations of three former Republican lawmakers tapped for senior roles in his second administration—Mike Waltz, Matt Gaetz, and Elise Stefanik.

In the immediate aftermath of the incident, Waltz appeared on Fox News, calling the blunder “embarrassing” and saying he would take “full responsibility.” However, he later defended himself on social media, writing, “No locations. No sources & methods. NO WAR PLANS.”

Despite his defiance, the gravity of the leak—and the broader implications for U.S. national security—ultimately led to his departure.

With Waltz gone, attention turns to who Trump will appoint as his next national security adviser, as the administration faces mounting scrutiny over internal communications and national defense protocols. Meanwhile, the White House has confirmed that three European allies are sending teams to assist with cybersecurity reviews following the Signal incident.