The 40th Combat Sustainment Support Battalion (40th CSSB) is a logistics unit within the United States Army, traditionally assigned to provide comprehensive sustainment support to combat forces. The battalion traces its lineage to World War II, where it supported operations in the European Theater, ensuring the steady flow of supplies, maintenance, and transportation. Over the decades, the 40th CSSB has participated in numerous operations, including deployments to Southwest Asia during Operations Iraqi Freedom and Enduring Freedom, where it played a critical role in sustaining coalition forces. Today, the 40th CSSB continues its mission of enabling combat readiness through logistical excellence, supporting both domestic and overseas missions.
