American Expeditionary Forces Table of Organization, 1917-1919

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The table of organization chart will help you to quickly locate and determine what division your ancestor's military unit; regiment, battalion, and or company was assigned. The American Expeditionary Forces were organized from three types of military service. The regular or professional army consisted of divisions one through eight, state national guard units that were federalized were divisions twenty-sixty through the forty-second and the national army division numbers seventy-six to ninety-three were raised from the selective service or draft. Below are additional Family Search articles that will provide additional division history information.

Additional AEF Sources Related FamilySearch Wiki Articles
 * American Expeditionary Forces Distinctive Cloth Insignia Chart NARA NAID 31491070
 * American Expeditionary Forces Administrative History Note NARA
 * Battle Participation of Organizations
 * Summary of Casualties American Expeditionary Forces
 * Order of Battle of the United States Land Forces in the World War. American Expeditionary Forces. Divisions. Washington:Government Printing Office, 1931
 * United States World War I Infantry Divisions Includes training camp location and state(s) from which drawn
 * World War I Troops Supplied by States, 1917 to 1918
 * World War I Unit Histories

 Division Pages 
 * First Division
 * Second Division
 * Third Division

Sources:
 * Army War College. Historical Section. Order of Battle of the  United States Land Forces in the World War: American Expeditionary Forces. Division. Washington: Government Printing Office, 1931.   pp. 444-445
 * American Battle Monuments Commission. American Armies and Battlefields in Europe. A History, Guide, and Reference Book. Washington: Government Printing Office, 1938. pp 516-517