Abstract The Seiko Arakaki papers (1940s-2009) consists of newsletters from the 100th Infantry Battalion Veteran's Club. Seiko Arakaki served in the 100th Infantry Battalion, which was activated on 12 June 1942, and was composed of American-born Japanese ("Nisei," or second generation). The battalion saw combat in Italy at Salerno, Anzio, and Cassino in 1943-1944 before becoming part of the 442nd RCT.