What is the title of the individual authorized to exercise combatant command or operational control over a joint force?

The title of the individual authorized to exercise combatant command or operational control over a joint force is known as the Joint Force Commander. This individual plays a critical role in the planning and execution of operations involving multiple branches of the military, ensuring that all components work together effectively. The Joint Force Commander is responsible for the overall mission, command structure, and resources of the joint force, making strategic decisions that impact the operation's success.

This role is distinct in that it encompasses authority over various service component commanders, allowing the Joint Force Commander to integrate capabilities and tactics from all military services involved. The broader perspective and authority provided to this position facilitate unified action among diverse forces, contributing to operational efficiency and effectiveness during joint operations.