Final answer:
The incident commander is responsible for overseeing the strategic management of the incident, coordinating with emergency services, and ensuring safety protocols are followed during a hostage/barricaded subject incident.
Step-by-step explanation:
At the scene of a hostage/barricaded subject incident, the incident commander has several critical responsibilities. These include establishing a command post, initiating and maintaining communication with the subject when possible, deploying tactical units and negotiators, coordinating with emergency medical services, determining evacuation or shelter-in-place instructions for nearby civilians, and keeping the situation contained. The incident commander must also develop a strategic plan, assess risks, manage on-scene resources, and work with law enforcement and other emergency responders to ensure the safe resolution of the incident.