What is meant by a "Call for Fire" in military operations?

A "Call for Fire" refers specifically to the process of requesting indirect fire support from artillery or mortars on a designated target. This is a critical procedure in military operations, as it allows ground forces to engage enemy positions or neutralize threats at a distance, thereby enhancing the effectiveness of the unit’s combat capabilities.

When a unit identifies a target that requires indirect fire, they follow established procedures to communicate the necessary information, such as the target's location, description, and desired effects. This enables artillery units to deliver effective fire support, which can significantly alter the dynamics of a battle by providing suppressive fire or destroying enemy capabilities from afar.

The other options do not encompass the specific purpose of a "Call for Fire." While maneuver commands, troop rallying signals, and air support coordination are all integral to military operations, they do not pertain to the direct request for indirect fire support that a "Call for Fire" represents.