What NIMS Management Characteristic involves maintaining inventories of personnel and resources?

Comprehensive Resource Management is the NIMS Management Characteristic that focuses on maintaining inventories of personnel and resources. This characteristic emphasizes the importance of having an accurate accounting of all available resources, including personnel, equipment, and supplies. By doing so, organizations can effectively allocate and deploy resources during an incident response.

The systematic documentation and tracking of resources contribute to efficient and effective management of operations, ensuring that teams have the necessary tools and workforce to respond to incidents. This characteristic is vital for coordination between various agencies and jurisdictions, allowing for better planning and a more effective response to emergencies.

In the context of the other choices, Integrated Communications refers to the essential communication systems and protocols used to ensure all stakeholders can share information effectively during an incident. Unified Command denotes a structure for managing incidents involving multiple agencies, ensuring that all levels of command work collaboratively. Incident Action Planning is the process of developing a plan that outlines the objectives and tasks needed to manage an incident over a specified period. These concepts are important but do not specifically address the aspect of resource inventory management that Comprehensive Resource Management covers.