Class IV materials are primarily used for which purpose?

Class IV materials are primarily associated with construction and fortification. This classification encompasses a wide range of materials, including those used for building structures, bridges, and defensive positions. The focus of Class IV materials is to provide the necessary resources for physical infrastructures, which are essential for support operations in various military contexts.

While personal demand items, ammunition, and repair components are indeed essential, they fall under different classifications. Personal demand items relate more to individual needs and comfort, while ammunition is explicitly classified for munitions purposes. Repair components are designated for maintenance and support of equipment rather than for construction activities. Thus, the unique role of Class IV materials in supporting and enhancing structural capabilities explains why this classification is primarily linked to construction and fortification.