In combined arms operations, what role does infantry primarily play?

In combined arms operations, the primary role of infantry is to support and maneuver alongside other combat arms to achieve mission objectives. This reflects the essential function of infantry as the ground force that engages in direct combat, seizes and holds terrain, and secures objectives while collaborating with other branches, such as artillery, armor, and aviation.

Infantry units are adept in close combat and are trained to operate in conjunction with mechanized units, artillery support, and air assets to create a coordinated, effective fighting force. Their ability to adapt to various combat scenarios enables them to exploit the strengths of other units, providing the ground presence needed to solidify gains achieved by other combat arms.

The incorrect options highlight roles that are not primarily focused on infantry. Providing air support, handling logistical operations, and coordinating naval and aerial assaults are typically responsibilities assigned to specialized units or other branches of the military, rather than the infantry itself. Thus, choice B captures the essence of how infantry functions in a combined arms context, emphasizing teamwork, adaptability, and a crucial ground presence in achieving overall mission success.