The document discusses multiple casualty incidents and incident management. It describes the National Incident Management System (NIMS) which provides a standardized approach for managing disasters through an incident command system. NIMS involves specialized training and establishes common terminology, organization and procedures. The document also discusses triage protocols for sorting patients by priority at mass casualty scenes, including the START and JumpSTART systems. EMS units have designated roles within the incident command structure to effectively treat and transport patients.