Which definition best describes a patrol?

The definition that best describes a patrol is one where a detachment of forces is sent to gather information. This aligns with the fundamental purpose of a patrol, which is to scout the area, observe enemy movements, and collect intelligence. By deploying a smaller unit, typically away from the main forces, the patrol can operate with greater mobility and flexibility. This allows them to assess the environment, identify potential threats, and convey crucial insights back to the command.

In contrast, a large military formation on the front lines refers to a significantly different tactical situation, focusing on holding or engaging in direct combat rather than gathering information. A single combat team establishing a base of operations suggests a more static role, prioritizing defense and logistics rather than reconnaissance. Lastly, a secured area free of enemy activity describes a condition or strategic outcome rather than the active operation of gathering information, which is core to what a patrol does.