Final answer:
Class V is the class of supply that consists of ammunition in military logistics.
Step-by-step explanation:
The class of supply that consists of ammunition is class V. Military supply classifications are numbered I through IX, with each number representing a different type of material. Ammunition, including not just bullets but also grenades, bombs, and missiles, falls under Class V. It is critical for logistics and operational planning to ensure that the armed forces have the necessary ammunition for training and combat operations.