Which component is NOT included in the ICS training sequence?

The component identified in the question as not included in the Incident Command System (ICS) training sequence is Group Leader.

In ICS, roles and titles are structured to maintain clear command and control during incidents. The training sequence includes specific positions and levels of command that are crucial for effective incident management. While positions such as Section Chief, Branch Director, and Single Resource Leader are integral parts of the ICS and have defined training protocols to ensure individuals are equipped to perform their responsibilities during an incident, the term "Group Leader" is typically not a formal designation within the ICS structure. Instead, ICS emphasizes leadership roles that align with its organizational framework, such as those in the Operations, Planning, Logistics, and Finance/Administration sections.

Understanding these roles and their correct titles helps ensure effective communication and coordination among responders, reflecting the underlying principle of the ICS, which aims to establish a standardized approach to incident management across various organizations and disciplines.