What are the two core competencies provided to Army operations by Field Artillery?

The correct answer highlights the fundamental roles played by Field Artillery in Army operations, which are to coordinate fire support and deliver indirect fire.

Coordinating fire support involves integrating the various fire support assets in a way that enhances the effectiveness of the overall mission. This includes planning and executing fire missions that support maneuver units on the battlefield by accurately delivering munitions onto enemy positions, thus neutralizing threats and creating opportunities for friendly forces to close with and destroy the enemy.

Delivering indirect fire is critical as it allows forces to strike targets that are not in the direct line of sight, which is essential for engaging hidden or fortified enemy positions while maintaining a degree of safety for friendly troops. Indirect fire from artillery can cover wide areas and create a significant impact on the battlefield, enabling the accomplishment of tactical and operational objectives.

In contrast, the other choices focus on either broader operational aspects, such as combat readiness and tactical movement, or elements that aren't as closely aligned with the primary responsibilities of Field Artillery, such as sustainment or direct engagement. Therefore, the combination of coordinating fire support and delivering indirect fire represents the essence of what Field Artillery contributes to military operations.