defense department

Defense Department. An executive department of the federal government, responsible for coordinating and overseeing military affairs and the agencies responsible for national security. • The Department was established as the National Military Establishment in 1947, by combining the War and the Navy Departments. Its name was changed to Department of Defense in 1949. The Department’s components include the Army, the Air Force, the Navy, the Marine Corps, and the Joint Chiefs of Staff. It is headed by the Secretary of Defense, who is answerable to the President as Commander-in-Chief. — Also termed Department of Defense (abbr. DOD).

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词条贡献者

资深译员Chris，毕业于一所培养高级翻译以及跨文化事务专家的精英大学，专注翻译各种与卫星及航天技术诉讼有关的法律文件。