WASHINGTON, DC - MARCH 18: General President of the International Brotherhood of Teamsters Sean O'Brien arrives for a confirmation hearing for U.S. Sen. Markwayne Mullin (R-OK) to be the next Secretary of the Department of Homeland Security in the Dirksen Senate Office Building on March 18, 2026 in Washington, DC. President Trump nominated Mullin to replace Kristi Noem as DHS Secretary. (Photo by Anna Moneymaker/Getty Images)

(L/R) Director of Defense Intelligence Agency (DIA) James Adams III, US Director of National Intelligence Tulsi Gabbard, Acting Commander of US Cyber Command William Hartman, and CIA Director John Ratcliffe testify during a Senate Committee on Intelligence hearing to examine worldwide threats, on Capitol Hill in Washington, DC, on March 18, 2026. (Photo by Oliver Contreras / AFP via Getty Images)

US Director of National Intelligence Tulsi Gabbard testifies during a Senate Committee on Intelligence hearing to examine worldwide threats, on Capitol Hill in Washington, DC, on March 18, 2026. (Photo by Oliver Contreras / AFP via Getty Images)

(L/R) FBI Director Kash Patel, Director of Defense Intelligence Agency (DIA) James Adams III, US Director of National Intelligence Tulsi Gabbard, Acting Commander of US Cyber Command William Hartman, and CIA Director John Ratcliffe testify during a Senate Committee on Intelligence hearing to examine worldwide threats, on Capitol Hill in Washington, DC, on March 18, 2026. (Photo by Oliver Contreras / AFP via Getty Images)

WASHINGTON, DC - MARCH 18: U.S. Sen. Markwayne Mullin (R-OK) testifies during a confirmation hearing to be the next Secretary of the Department of Homeland Security in the Dirksen Senate Office Building on March 18, 2026 in Washington, DC. President Trump nominated Mullin to replace Kristi Noem as DHS Secretary. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 18: U.S. Sen. Markwayne Mullin (R-OK) testifies during a confirmation hearing to be the next Secretary of the Department of Homeland Security in the Dirksen Senate Office Building on March 18, 2026 in Washington, DC. President Trump nominated Mullin to replace Kristi Noem as DHS Secretary. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 18: (L-R) Former Speaker of the House Kevin McCarthy and General President of the International Brotherhood of Teamsters Sean O'Brien react as U.S. Sen. Markwayne Mullin (R-OK) testifies during a confirmation hearing to be the next Secretary of the Department of Homeland Security in the Dirksen Senate Office Building on March 18, 2026 in Washington, DC. President Trump nominated Mullin to replace Kristi Noem as DHS Secretary. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - MARCH 18: U.S. Sen. Bernie Moreno (R-OH) points to a poster titled "DHS Missions Stopped by the Democratic Shutdown" during a confirmation hearing for U.S. Sen. Markwayne Mullin (R-OK) to be the next Secretary of the Department of Homeland Security in the Dirksen Senate Office Building on March 18, 2026 in Washington, DC. President Trump nominated Mullin to replace Kristi Noem as DHS Secretary. (Photo by Chip Somodevilla/Getty Images)