In military planning, what is primarily affected by weather and terrain conditions?

In military planning, weather and terrain conditions significantly influence adversary force dispositions. Adversaries may modify their placement and movement of forces in response to environmental factors, such as visibility during fog, mobility on muddy terrain, or the strategic advantages gained from natural barriers like mountains or rivers. An understanding of these elements allows military planners to anticipate how an adversary may react to changing conditions on the battlefield, thus shaping strategies for engagement and defense.

Factors such as weather can affect an enemy's ability to execute operations effectively, impacting their readiness and overall strategy. Terrain can provide cover or restrict movement, which directly influences how enemy forces position themselves in relation to friendly forces. Therefore, recognizing the effects of weather and terrain is essential for effectively predicting and countering an adversary's maneuvers and overall operational effectiveness.

The other aspects, like logistical support capabilities, force deployment strategies, and command structure effectiveness, can certainly be influenced by weather and terrain but are more about the internal management and execution of military operations rather than the positioning and disposition of the enemy forces themselves.