Who ensures that air operations effectively support force objectives, while retaining execution flexibility?

The role of the Joint Force Air Component Commander (JFACC) is pivotal in ensuring that air operations align with the overall objectives of the military force. The JFACC is responsible for integrating and coordinating air power within a joint operation, which includes managing resources and adjusting strategies to meet mission goals effectively.

The JFACC's primary focus is on synchronizing air capabilities with ground and maritime operations, ensuring that air support is not only effective but also adaptable to changing circumstances on the battlefield. This adaptability or execution flexibility is crucial, as it allows the JFACC to respond to real-time developments and shifts in the operational environment.

In contrast, the other roles such as the Operational Group Staff (OGS), Combatant Commander (CC), and Joint Special Operations Component Commander (JSOCC) have distinct responsibilities. While they contribute to the mission in various capacities, they do not focus primarily on the integration and flexibility of air operations as the JFACC does. The JFACC's unique position and authority in coordinating air missions make it the clear answer to the question posed.