The Department of War was renamed the Department of Defense under President Harry S. Truman, who aimed to improve efficiency and cohesion in the U.S. military.

Trump’s remarks came as he signed a raft of executive orders, including one in which he tasked Defense Secretary Pete Hegseth ...

WASHINGTON (AP) — President Donald Trump on Monday marked the fourth anniversary of the suicide bombing that killed 13 U.S.

President Trump on Monday floated returning the Department of Defense to its prior name, the Department of War, calling its ...

An executive order released on Monday directs the creation of specialized Guard units to quell civil disturbances in each ...

Adm. Daryl Caudle has taken over as the Navy’s highest-ranking officer. It ends a six-month vacancy created by the Trump ...

President Donald Trump hosted Lee Jae Myung of South Korea, a key economic and national security ally. Follow for live ...

The Pentagon carried the Department of War label until 1949, when it was rebranded amid post–World War II restructuring.

National Guard troops deployed to patrol the streets of Washington, D.C., have begun carrying firearms in an escalation of ...

D.C. Del. Eleanor Holmes Norton asked a series of questions probing the scope of the mission and its cost to American ...

Mr. Abrego Garcia, who entered the United States without permission, became a defining face of the Trump administration’s ...