630th Combat Sustainment Support Battalion

The 630th Combat Sustainment Support Battalion (CSSB) is a unit of the United States Army Reserve, headquartered in Los Alamitos, California. Activated in 2006, the battalion provides logistics, supply, transportation, and maintenance support to units across the operational spectrum. The 630th CSSB has supported multiple training exercises and mobilizations, including deployments in support of Operation Enduring Freedom and other overseas contingencies. Through its subordinate companies, the battalion plays a critical role in sustaining combat readiness and operational effectiveness for supported forces.