Which center is responsible for coordinating worldwide military operations?

The National Military Command Center (NMCC) is the correct choice as it is specifically designed to coordinate worldwide military operations. The NMCC plays a crucial role in the command and control structure of U.S. military operations and is the primary facility for the management of military and operations activity. It is responsible for ensuring that the President and the Secretary of Defense have the necessary support and communication to direct military actions as required.

This center maintains situational awareness and facilitates communication across different military branches, providing a central hub for decision-making during crises. Its capability to coordinate operations on a global scale is critical, especially when timely and effective military responses are necessary.

In contrast, other options serve distinct yet different purposes. The National Cybersecurity and Communications Integration Center focuses on cybersecurity and communication resilience, while the National Policy Office deals with policy development rather than military coordination. The National Response Coordination Center, on the other hand, is associated with coordinating federal disaster responses and managing support in emergency situations, not military operations specifically. Therefore, the NMCC stands out as the center tasked with the coordination of military actions worldwide.