Groups in fire department operations always refer to:

In fire department operations, groups are typically organized based on functional assignments. This approach allows for the division of tasks according to the specific roles and responsibilities essential for effective incident management and response. Each assigned group focuses on a particular function, such as firefighting, EMS (Emergency Medical Services), logistics, or safety, which helps streamline operations and ensures that all necessary roles are fulfilled efficiently during an emergency.

Functional assignments promote clarity and accountability among team members, as each individual understands their role and how it fits into the larger operational picture. This structure is crucial in high-pressure situations where rapid coordination and communication can significantly impact outcomes.

Although geographic assignments refer to the physical location of resources or personnel, and tactical assignments pertain to the immediate strategies employed during an incident, the primary understanding of group formations in fire department operations revolves around the functional designations that dictate how tasks are to be accomplished effectively.