Which is the senior agency within the Marine Corps Command and Control System (MACCS)?

The Marine Tactical Air Control Center (TACC) is the senior agency within the Marine Corps Command and Control System (MACCS) because it serves as the primary command facility responsible for overseeing and directing aviation operations and air support within the Marine Air-Ground Task Force (MAGTF). The TACC integrates various elements of air control, coordinating air assets, and managing the situational awareness necessary for effective air operations.

The TACC operates at a higher command level compared to other agencies, facilitating communication and coordination between ground forces and aviation units. Its role is crucial for the successful execution of Joint and Combined Arms operations, ensuring that the right air support is provided at the right time to meet the needs of the ground commanders.

Additionally, while other entities like the Navy Tactical Air Control Center (TACC), Aviation Combat Element (ACE), and Tactical Air Operations Center (TAOC) play vital roles within their respective domains, they do not carry the overarching responsibility of senior command and control within the MACCS that the Marine Tactical Air Control Center does. This distinction solidifies the TACC's importance in the structure of Marine Corps operations.