Big Picture: The Third Army

National Archives and Records Administration ARC Identifier 2569830 / Local Identifier 111-TV-618 Big Picture: The Third Army DVD Copied by Thomas Gideon - Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. (ca. 1974 - 05/15/1984). Nine major Army schools--17,000 replacement troops a year--these are some of the responsibilities of the Third United States Army, one of the six major tactical subdivisions of the United States Continental Army Command.