What is the term for a command consisting of forces from multiple military departments?

The correct term for a command that includes forces from multiple military departments is "Unified Command." A Unified Command is designed to integrate the capabilities and resources of different branches of the military to achieve a specific mission or operational goal. This structure promotes inter-service cooperation and coordination, making it crucial for complex operations that require a unified approach across the Army, Navy, Air Force, and Marines.

A Unified Command typically consists of forces from at least two different military departments and is led by a designated commander authorized to make decisions for the entirety of the forces under their command. This allows for streamlined command and control, which is essential in joint operations, particularly in large-scale military engagements or during multinational operations that involve allies.

This term emphasizes the importance of joint interoperability and the necessity for a cohesive strategy that leverages the strengths of each service branch, which is vital for mission success in today’s multifaceted combat environments.