What characterizes defilade positions for a gun crew?

Defilade positions for a gun crew are characterized by complete shelter behind masking terrain. This positioning allows crew members and their weapon system to conceal themselves from enemy observation and fire while still maintaining the ability to engage targets. The term "defilade" specifically refers to the condition of being protected from direct enemy fire by terrain, such as hills, ridges, or other geographical features that obstruct the line of sight.

In such a position, the crew can operate with reduced risk of being targeted, as they are blocked from enemy view. This protection is crucial in maintaining the integrity of the crew and sustaining their operational capabilities. Additionally, it enables them to set up and maneuver their weapon systems without the constant threat of detection, contributing to both survivability and effectiveness in combat scenarios.