Which position is involved in the logistics and supply chain of military operations?

The position responsible for logistics and supply chain operations within military settings is S-4. This role typically focuses on the management of supplies, transportation, maintenance, and the overall logistical support that is essential for unit operations and success.

S-4 personnel ensure that the necessary materials and resources are available and effectively distributed to support current missions and training exercises. This includes everything from tracking inventory to overseeing the procurement of new equipment and ensuring that all logistical needs are met efficiently.

Other positions listed do have significant roles within military operations but focus on different areas. For instance, S-3 is primarily concerned with operations and training, S-5 often handles plans and future operations, and S-1 typically manages personnel and administration. These roles, while crucial, do not specifically address the logistics and supply chain aspects that S-4 is tasked with overseeing. Thus, S-4 is the correct answer as it is directly aligned with the logistics and supply chain functions critical to military operations.