The "3rd Division" typically refers to a military unit that is part of a larger army structure. It can be found in various countries and has been involved in numerous historical conflicts. Each 3rd Division may have its own unique history, insignia, and operational focus, depending on the nation it belongs to. In the context of the United States Army, the 3rd Infantry Division, also known as the "Rock of the Marne," has a storied history dating back to World War I. It has participated in significant battles and operations, including those in World War II and Operation Iraqi Freedom. The division is known for its distinctive maroon beret and commitment to rapid deployment.