 280 German seamen arrived in May to replace them.After the outbreak of World War II, it was turned over to the Department of Justice and expanded to make room for U.S. civilians of Japanese and German descent (mostly non-citizen residents who were arrested on suspicion of fifth column activity, despite a lack of supporting evidence or access to due process).The Japanese American internees were relocated to other camps shortly after their arrival in 1942, leaving Fort Lincoln with a population of German prisoners of war and German American internees until February 1945.