What is the purpose of subsequent fire commands for machine guns?

The purpose of subsequent fire commands for machine guns primarily focuses on making adjustments in direction and elevation. This is crucial for ensuring that the machine gun maintains effectiveness by accurately targeting the intended area or enemy positions. Subsequent fire commands allow the crew to refine their aim after the initial shots are fired, taking into account factors such as range, wind conditions, and any changes in the battlefield scenario.

These adjustments are essential for maximizing the machine gun's lethality and ensuring that rounds are landing on the target, which can lead to increased suppression of enemy forces. By issuing clear and precise commands for these adjustments, the crew can efficiently direct fire in a coordinated manner, which is vital in combat situations where conditions are continuously changing.