The first major shipment of CONEXes , containing engineering supplies and spare parts , was made by rail from the Columbus General Depot in Georgia to the Port of San Francisco , then by ship to Yokohama , Japan , and then to Korea , in late 1952 ; shipment times were almost halved .
The first major shipment of CONEXes , containing engineering supplies and spare parts , was made by rail from the Columbus General Depot in Georgia to the Port of San Francisco , then by ship to Yokohama , Japan , and then to Korea .