The dramatic confrontation between the governor of Alabama and the president of the United States in June 1963 resulted in the federalization of the entire Alabama National Guard. The imposition of federal law allowed two black students admission into the University of Alabama in Tuscaloosa. This archive details Operation Oak Tree, the codename for the Army���s plans to intervene in Alabama in the event of civil disturbances related to school integration in May 1963. Operation Palm Tree extended the operation over a wider area. The documents in this collection are sourced from the Records of the Department of the Army, in the custody of the National Archives of the United States.