President Harry S. Truman signing the National Security Act Amendments of 1949, which converted the National Military Establishment into a new Department of Defense. (National Archives) During a White ...
In early September 2025, President Donald Trump signed an executive order directing the DoD and its leaders may use the names “Department of War” and “Secretary of War” in certain contexts. The ...
During a White House press event on Aug. 25, President Donald Trump remarked that the Department of Defense name "didn't sound good" to him. "Department of Defense, I don't want to be defense only," ...