Which of the following describes a NOT directly affected by weather and terrain in military operations?

• A. Movement, visibility, endurance, and sector risk
• B. Morale
• C. Supply costs
• D. Medical readiness

Answer: (C)

Weather and terrain directly shape how troops move, what they can see, how long they can operate, and the level of risk in a given area. They also influence morale and medical readiness because tough conditions increase fatigue, stress, and the chance of illness or injury. Supply costs, while they can rise due to weather and terrain, are not a direct, immediate effect of those conditions. They are a logistics outcome—driven by delays, detours, fuel use, vehicle wear, and the need for additional transport—rather than a direct battlefield condition like movement, visibility, endurance, or risk.