What characterizes "indirect fire" in mortar operations?

• A. Firing directly at visible targets
• B. Using visual aids to adjust fire
• C. Fire delivered on a target that is not directly visible to the shooter
• D. Firing only in defensive situations

Answer: (C)

Indirect fire in mortar operations is characterized by the ability to deliver fire onto targets that are not directly visible to the shooter. This allows troops to engage targets that may be behind cover, over terrain features, or at extended ranges where a direct line of sight is not possible. Indirect fire utilizes the principles of ballistics to arc projectiles toward a predetermined target area based on calculations of distance, angle, and the effects of wind and elevation.

Using this method, mortar teams can accurately engage and neutralize enemy positions while remaining sheltered from retaliatory fire or vision. This capability is crucial in modern combat, where engagements can take place at varying distances and under complex battlefield conditions.

The concept is contrasted with other options regarding the nature of how fire is delivered. For instance, firing directly at visible targets would fall under "direct fire" rather than "indirect fire," and visual aids for adjusting fire are an aspect of both direct and indirect fire but do not specifically define indirect fire. Additionally, indirect fire is not limited to defensive situations; it can be employed in offensive maneuvers as well.

In summary, the defining characteristic of indirect fire is its ability to strike unseen targets, leveraging its unique projectile trajectory to achieve operational objectives effectively.