The Forty-Third Division, also known as the 43rd Infantry Division, was a unit of the United States Army. It was formed during World War I and later served in World War II. The division was composed of National Guard units from several states, including New York, Connecticut, and Vermont. During its service, the Forty-Third Division participated in various campaigns, including the Pacific Theater of World War II. It was known for its distinctive shoulder patch, which featured a blue and yellow design. The division played a significant role in the liberation of several islands in the Pacific.