author

United States. Department of Defense

Created to unify the U.S. armed services after World War II, this federal department has shaped American military policy and global operations for decades. Its story runs from the National Security Act of 1947 to the vast civilian and military organization centered at the Pentagon.

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About the author

The United States Department of Defense is not an individual author but a major U.S. government institution, so an "About the Author" note works best as a short institutional profile. It was established by the National Security Act of 1947, originally as the National Military Establishment, and was renamed the Department of Defense in 1949.

The department oversees the U.S. military services and is led by the secretary of defense. Its headquarters, the Pentagon, has become one of the most recognizable symbols of the American national security system.

For books, reports, and historical publications issued under this name, the credited "author" usually represents the work of offices, historians, analysts, or officials within the department rather than a single writer. That makes the department best understood as a publishing institution with a long documentary record, especially in military history, policy, and public affairs.