During defensive tasks, what is one goal of a military operation?

Retaining essential terrain is a critical objective during defensive operations because the possession of key geographic features or areas can provide significant tactical advantages. These advantageous locations can enhance the defensive capabilities of a unit, allowing for better control of the battlefield, improved observation, and increased security for friendly forces.

In a defensive posture, maintaining control over essential terrain is essential to preventing the enemy from gaining strategic advantages or routes of advance. When a unit secures vital areas, it can deny the enemy access to resources, routes, and positions that could be used for further operations.

Other strategies, such as launching a counterattack or completely surrounding the enemy, may seem viable in specific tactical situations but may not be feasible or relevant in every defensive scenario. Gaining territory at all costs could compromise the defensive posture in favor of offensive gains, which may lead to overextension and vulnerability. Therefore, the focus on retaining essential terrain captures the essence of a successful defensive operation.