Successful on-scene operations hinge on a thorough grasp of many considerations, one of them having a strong grasp on modern fire behavior. Understanding compartment fire behavior is a critical skill that is necessary for safety and efficiency on the fireground. This course will help attendees build skills necessary to safely mitigate today’s fireground operations. Topics to be included include: incident priorities and objectives; fire behavior and dynamic events; clues from the exterior for size-up; effects on ventilation and anti-ventilation; chemistry within the compartment; limitation of PPE protection; size-up factors for consideration; assignment of responding units; and radio reports and alarm considerations.