Late in the war, American units ultimately fought in two other theaters at the request of the European powers. Pershing sent troops of the 332d Infantry Regiment to Italy, and President Wilson agreed to send some troops, the 27th and 339th Infantry Regiments, to Russia.Venzon, ed. The United States in the First World War: An Encyclopedia (1995) These latter two were known as the American Expeditionary Force Siberia,Robert L. Willett, Russian Sideshow, pp. 166–167, 170 and the American Expeditionary Force North Russia.E.M. Halliday, When Hell Froze Over (New York City, NY, ibooks, inc., 2000), p. 44
