Trump declared Chad Wolf, Department of Homeland Security officials who would replace Kevin McAleenan as its head.

"He will be acting minister and we will see what happens. We have great people at this agency," Trump told reporters on November 1 at the White House.

In October, Trump announced the right to Secretary of Homeland Security McAleenan to leave office to spend time with his family and the private sector. The president praised him for "excellent work."

Thus, McAleenan assumed the role of head of the US Department of Homeland Security in just 6 months, replacing the incumbent Kirstjen Nielsen, who was in office for 18 months. He also became the latest US official to leave Trump's cabinet.

The Department of Homeland Security is the third largest department in the US government, overseeing agencies including the Coast Guard, Secret Service and FEMA, which handle tasks including disaster preparedness, coordination, and assistance. Customs departments such as Customs and Border Protection, Immigration and Customs Enforcement (ICE).

Wolf, an employee of the Department of Homeland's Office of Strategy, Policy and Planning, has "made significant achievements to strengthen US border security, addressing the crisis on the southwest US border." and improve the integrity of the US immigration system, "stated the US Department of Homeland Security website. He is the fifth leader of the ministry under Trump.