40th CSS

• Origins: The 40th Combat Sustainment Support Battalion (CSSB) traces its lineage to the storied 40th Infantry Division, which was originally organized in 1917 and has served in multiple major conflicts. • World War II Service: The 40th Infantry Division, with support elements that would evolve into modern CSS units, saw extensive combat in the Pacific Theater, including at Luzon and Leyte in the Philippines. • Korean War: The division and its sustainment elements were mobilized for service in Korea, providing critical logistical and combat support during major operations. • Modern Mission: The 40th CSSB is a modular sustainment unit, providing logistics, transportation, maintenance, and supply support to brigade combat teams and other units. • Operation Iraqi Freedom: Elements of the 40th CSSB deployed in support of Operation Iraqi Freedom, managing supply convoys and providing essential sustainment across dangerous supply routes. • Joint Operations: The battalion has worked alongside active duty, reserve, and allied forces, demonstrating adaptability and interoperability in joint training and real-world missions. • Humanitarian Assistance: The unit has participated in disaster relief and humanitarian missions, including responses to wildfires and earthquakes in California. • Innovation in Logistics: The 40th CSSB has been at the forefront of adopting new logistics technologies, such as the use of advanced tracking systems for supply distribution. • Community Engagement: Soldiers from the 40th CSSB actively engage with their local communities, participating in parades, educational outreach, and veterans’ support events. • Heraldry and Honors: The 40th CSSB carries the colors and traditions of the 40th Infantry Division, including the iconic “Sunburst” patch, symbolizing service and sacrifice in both combat and support roles.