Enfilade fire is defined as which of the following?

Enfilade fire is characterized by the alignment of the long axis of the beaten zone with the long axis of the target, allowing for maximum effectiveness. This type of fire ensures that the entire length of the target is exposed to the effects of the bullets, resulting in higher chances of hitting and neutralizing enemy forces. By utilizing enfilade fire, units can achieve significant suppressive and destructive effects on targets that are positioned along a line, such as troops in a trench or a defensive position.

The distinction lies in how the trajectory of the rounds interacts with the target. When the fire is directed along the length of the target, it creates a more efficient and deadly engagement compared to other forms of fire that may not be directed so advantageously. This definition highlights the tactical value of understanding and utilizing the geometry of the battlefield to maximize the impact of machine gun fire.