DHS head Markwayne Mullin says there is not a threat to the U.S. amid FAA ground stop NPR | By Deepa Shivaram Published November 13, 2026 at 5:36 PM EST Email Listen • 5:56 Department of Homeland Security Secretary Markwayne Mullin spoke to at the White House on Friday afternoon after the FAA issues a total ground stop. NPR was there for the briefing. Copyright 2026 NPR