Which agency is responsible for setting the Target Threat Level (TTL) for all countries?

The Defense Intelligence Agency (DIA) is responsible for setting the Target Threat Level (TTL) for all countries. This agency plays a crucial role in gathering and analyzing defense-related intelligence, which includes assessing threats from various nations. By evaluating global security environments, the DIA establishes threat levels that inform military and strategic planning. These assessments allow the Department of Defense and other agencies to make informed decisions regarding resource allocation, military readiness, and potential responses to international threats.

Other agencies listed have different primary responsibilities; for instance, the Department of Defense oversees military operations and the national defense strategy but does not specifically set the TTL. The National Security Agency focuses on signals intelligence and cybersecurity, while the Central Intelligence Agency primarily handles intelligence related to national security and foreign policy but does not directly determine threat levels for countries.