Threat - According to FEMA, “Natural or manmade occurrence, individual, entity or action that has or indicates the potential to harm life, information, operations the environment, and/or property.”
Tools - According to FEMA, “Those instruments and capabilities that allow for the professional performance of tasks, such as information systems, agreements, doctrine, capabilities and legislative authorities.”
Transfer of Command - According to FEMA, “The process of moving the responsibility for incident command from one incident commander to another. Transfer of command must include a transfer of command briefing, which may be oral, written or a combination of both.”
Tribal - Referring to any Indian tribe, band, nation or other organized group or community, including any Alaskan Native Village as defined in or established pursuant to the Alaskan Native Claims Settlement Act, that is recognized as eligible for the special programs and services provided by the United States to Indians because of their status as Indians.
Type - According to FEMA, “An Incident Command System resource classification that refers to capability. Type 1 is generally considered to be more capable than Types 2, 3 or 4, respectively, because of size, power, capacity or (in the case of Incident Management Teams) experience and qualifications.”
Unified Approach - According to FEMA, “The integration of resource management, communications and information management, and command and management in order to form an effective system.”
Unified Area Command - Version of command established when incidents under an Area Command are multijurisdictional.
Unified Command (UC) - According to FEMA, “An Incident Command System application used when more than one agency has incident jurisdiction or when incidents cross political jurisdictions. Agencies work together through the designated members of the UC, often the senior persons from agencies and/or disciplines participating in the UC, to establish a common set of objectives and strategies and a single Incident Action Plan.”
Unit - Within the Incident Command System (ICS), the organizational element with functional responsibility for a specific incident planning, logistics or finance/administration activity.
Unit Leader - The individual in charge of managing Units within an Incident Command System (ICS) functional Section. The Unit can be staffed by a number of support personnel providing a wide range of services.