The 4th Marine Division is a reserve division of the United States Marine Corps, established during World War II. It was formed in 1943 and played a significant role in the Pacific Theater, participating in key battles such as the Battle of Iwo Jima and the Battle of Okinawa. The division is known for its distinctive insignia and has a proud history of service. Today, the 4th Marine Division continues to serve as a vital component of the Marine Corps, providing trained reserve forces for various missions. It is headquartered in New Orleans, Louisiana and consists of several infantry regiments and support units, ensuring readiness to respond to national emergencies and support active-duty forces.