100th Infantry Battalion Veterans | Education Center History of the 100th Infantry Battalion They were men from working class families mainly from Hawaii with later arrivals volunteering from barbed wireenclosed internments camps on the United States mainland. Called to duty in World War II the men of the legendary 100th Infantry Battalion performed extraordinary feats fighting for their country. Here are their stories of their lives as sons of immigrants from Japan growing up in Hawaiis multicultural society and as an ethnic minority on the mainland of unwavering loyalty when faced with racism of perseverance and loss of the families they nurtured and communities they helped shape after they returned. Their stories are the stories of America.