Conex boxes, short for "Container Express," trace their lineage back to the U.S. military's logistical needs during World War II. Originally designed to expedite the deployment of supplies and equipment to the front lines, Conex boxes featured rugged construction, reinforced corners, and standardized dimensions. Over time, their utility expanded beyond military applications, finding use in diverse sectors ranging from construction to disaster relief.

Conex boxes, often interchangeably referred to as shipping containers, are a specific subset of steel containers primarily used by the U.S. military. Originally designed during World War II, Conex boxes share many similarities with standard shipping containers but possess distinct characteristics tailored to military requirements. Typically, Conex boxes feature rugged construction, reinforced corners, and enhanced security features, making them ideal for military deployments, storage, and mobile command centers.