The Fifty-Third Infantry Division was a military formation of the United States Army, primarily active during World War II. It was part of the larger structure of the Army National Guard and was composed of units from various states. The division was known for its training and readiness to support combat operations. During its service, the Fifty-Third Infantry Division participated in various training exercises and contributed to the overall efforts of the U.S. military. Although it did not see extensive combat, it played a vital role in preparing soldiers for deployment and maintaining national defense readiness during a critical period in history.