Which J joint directorates staff organization focuses on command and control?

The correct answer is that the J3 joint directorate is responsible for command and control. This directorate focuses on operational planning and execution, which includes the coordination and management of military operations and forces. The J3 directorate works on developing operational plans, ensuring effective command and control systems, and facilitating joint operations across various military branches.

In a typical joint staff organization, each directorate has its specialized focus. While J5 deals primarily with future plans and policy, addressing long-term strategies and concepts, J4 concentrates on logistics and sustainment, which encompasses the planning and execution of support for operations, such as supply and transportation. J6 pertains to communications and information systems, ensuring that technology and information flow efficiently to support operational readiness. Each of these areas plays a critical role in military operations, but J3 is distinctively aligned with command and control operations.