_____ is executed in support of friendly forces in close enemy contact or against enemy forces out of contact with friendly forces.

The correct answer pertains to the operational capabilities of Army Attack Aviation, which is specifically designed to provide support to friendly forces engaged in close combat or against enemy forces that are not actively engaged with friendly units. This type of operation involves a variety of aerial platforms that can deliver firepower, surveillance, and intelligence in direct support of troops on the ground.

Army Attack Aviation enhances the effectiveness of ground forces by engaging the enemy where they are most vulnerable, providing a critical advantage in both offensive and defensive operations. This type of support is integral to modern battlefield dynamics, especially in scenarios involving close enemy contact or situations where enemy positions may be outside the immediate reach of friendly forces.

In contrast, other choices refer to different aspects of military support operations. Close Combat Attack typically involves rapid, direct firing engagements but is more aligned with ground unit tactics than specifically aviation units. Close Air Support focuses on integrating air strikes directly with ground forces but may not encompass the broader operational scope of Attack Aviation, which implies a more comprehensive range of capabilities and mission styles. Joint Fire Power represents the overall coordination and use of multiple types of fire support across services, which is broader than the focused aviation actions by Army Attack Aviation.