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The United States has grounded flights across the country after a “communication issue” impacted traffic control centers, US Transportation Secretary Sean Duffy said. “FAA [Federal Aviation Administration] technicians are investigating the issue. We will provide immediate updates as we have them,” Duffy wrote on social media. This is the first nationwide US ground stop since January 2023 when a key FAA computer system malfunctioned. Before that, the last time had been after the September 11, 2001, attacks.
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