Which joint function deals with logistics, supply, and maintenance to support operations?

• A. Movement and Maneuver
• B. Fires
• C. Sustainment
• D. Protection

Answer: (C)

Logistics, supply, and maintenance to support operations fall under sustainment. Sustainment covers all the resources and services that keep a force going: fuel, food, ammunition, spare parts, repairs, medical support, transportation, and personnel services. It also includes planning, provisioning, distributing, and maintaining those resources so units can continue executing missions. Without sustainment, even well-led forces with strong maneuver options, offensive firepower, or protection measures can stall as supplies dry up or equipment breaks down. The other functions focus on different tasks: Movement and Maneuver is about how forces are positioned and moved; Fires is about delivering weapon effects; Protection is about safeguarding personnel and assets. Sustainment enables the others to operate effectively over time by ensuring the necessary support is available.