What term is used to refer to ground that must be controlled for military success?

The term "key terrain" refers to specific ground that must be controlled to ensure military success in a given operation. Key terrain features can provide a significant advantage in terms of mobility, protection, and observation, allowing forces to effectively execute their missions while denying the same advantages to the enemy. Control of such terrain can influence the outcome of battles and campaigns, making it essential for commanders to identify and secure these areas.

In military planning, understanding the concept of key terrain assists in prioritizing objectives and allocating resources effectively. By establishing control over these vital areas, forces can enhance their operational capabilities and create favorable conditions for achieving broader tactical or strategic goals. This emphasis on key terrain aligns with the broader principles of ensuring that military operations are supported by a sound understanding of the operational environment and its critical geographic features.