Which War Fighting Function involves the utilization of forces to achieve operational objectives?

The War Fighting Function that involves the utilization of forces to achieve operational objectives is Movement and Maneuver. This function focuses on the deployment and movement of military forces to gain a positional advantage over the enemy. It encompasses the strategies and tactics employed to maneuver forces in order to exploit the operational environment effectively, thereby achieving the set objectives.

Movement and Maneuver is fundamental as it directly impacts how forces are positioned on the battlefield, influencing the ability to engage in combat, support joint operations, and capture and retain key terrain. Commanders rely on this function to adapt to changing battlefield dynamics, respond to enemy actions, and capitalize on opportunities as they arise, which is essential for mission success.

The other options relate to important aspects of military operations but do not directly address the movement and positioning of forces in the same way. Fires, for instance, involves applying lethal and non-lethal firepower to achieve effects, while Sustainment pertains to providing the necessary resources and logistics to support operations. Protection focuses on preserving the force's capabilities and minimizing vulnerabilities. Each of these functions complements Movement and Maneuver, but it is the latter that is fundamentally dedicated to achieving operational objectives through the effective use of forces.