Instructor-led discussion focused on the Incident Command System and command structure. Officer selects focus. Topics that fit this sheet include: NIMS / ICS principles (common terminology, modular org, span of control 3-7 ideal, unity of command, chain of command), ICS structure (Command, Operations, Planning, Logistics, Finance/Admin), single command vs unified command, transfer of command (announcement, face-to-face when possible, written notation), command modes for first-arriving officer (Investigation / Fast-Attack / Command), establishing command and the initial radio report (CAN — Conditions, Actions, Needs; or department format), divisions vs groups vs branches vs sectors, expansion of ICS as incident grows, ICS forms (ICS-201 Incident Briefing, ICS-202 Objectives, ICS-203 Org Assignment, ICS-204 Assignment List, ICS-205 Comms Plan), accountability requirements per NFPA 1561 (passport, T-card, command board), Personnel Accountability Reports (PAR) at benchmarks and emergencies, post-mayday command response, and command termination. Reference: NIMS ICS-100/200/300/400, NFPA 1021, NFPA 1561, FEMA Resource Center. Document specific topic covered.