What is the primary function of hand and arm signals in combat operations?

Hand and arm signals are crucial in combat operations primarily as a means of quick visual communication. In high-pressure environments where noise levels are elevated – due to gunfire, explosions, or equipment – verbal communication can become impractical or impossible. Thus, these signals allow team members to convey important messages or coordinate actions without the need for audible commands.

The visual nature of these signals makes them easily recognizable and interpretable at a distance, enabling teams to maintain situational awareness and execute maneuvers efficiently, thereby enhancing operational effectiveness. This method of communication fosters stealth and reduces the risk of detection by the enemy, which is essential in tactical scenarios.

In contrast, the other choices do not correctly capture the role of hand and arm signals. While they may have elements of truth, their primary purpose remains focused on rapid and effective communication in the field.