The Department of Defense is headed by the secretary of defense, a cabinet-level head who reports directly to the president of the United States. The president is commander-in-chief of the U.S. armed …

The Department of Defense (DOD) provides the military forces needed to deter war, and to protect the security of the United States.

21 hours ago · U.S. Department of Defense (DoD), executive division of the U.S. federal government responsible for ensuring national security and supervising U.S. military forces.

An official website of the United States government Here's how you know Official websites use .mil A .mil website belongs to an official U.S. Department of Defense organization in the United States.

Jul 31, 2025 · Military: News Senate confirms senior VA advisor to become next department watchdog Posted on: 2025-07-31 16:44:09

The Department of War is America's largest government agency. Our mission is to provide the military forces needed to deter war and ensure our nation's security.

Who leads the Department of Defense? DOD is led by the secretary of Defense, who is nominated by the president, confirmed by the Senate, and then sworn into office.

Dec 31, 2025 · An official website of the United States government Here's how you know Official websites use .mil A .mil website belongs to an official U.S. Department of Defense organization in …

2 days ago · A day after President Trump declared that the United States planned to “run” Venezuela for an unspecified period, Defense Department officials said there were no U.S. military personnel in the ...

The National Security Act Amendments of 1949 redesignated the National Military Establishment as the Department of Defense, established it as an executive department, and made the Department of the …