The Fifteenth Infantry Division is a unit of the United States Army, established in 1917. It played a significant role during World War I and was involved in various campaigns, including the Meuse-Argonne Offensive. The division is known for its distinctive insignia and has a rich history of service. Throughout its existence, the Fifteenth Infantry Division has undergone several reorganizations and deployments. It has participated in World War II and various peacekeeping missions. The division is part of the larger structure of the U.S. Army, contributing to national defense and military operations worldwide.