Which of the following is a Class IV supply?

Class IV supply refers specifically to construction and barrier materials. This classification is important within military logistics as it distinguishes materials that are essential for infrastructure and fortification. The definition of Class IV supplies encompasses items used in the construction and repair of facilities and includes various types of materials such as lumber, concrete, and other supplies necessary for building or enhancing structures.

Clothing, food rations, and medical supplies belong to different classes of supply. Clothing is typically classified under Class II, which includes individual equipment and personal gear. Food rations are categorized as Class I, which covers subsistence items needed for nourishment. Medical supplies fall under Class VIII, which includes all medical and dental items essential for maintaining health. Understanding these classifications is crucial for proper logistics planning and resource allocation in military operations.