Which intelligence discipline involves the collection and analysis of information from various sources including adversary communications?

Signals Intelligence (SIGINT) is the discipline that specifically focuses on the collection and analysis of information derived from various forms of communication, particularly electronic signals. This includes intercepting and analyzing adversary communications, which can encompass telephone calls, emails, and transmissions from other devices.

SIGINT is critical for understanding adversary intentions, capabilities, and actions, as it potentially provides insight into their strategies and decision-making processes. By monitoring and deciphering these communications, analysts can gather valuable intelligence that directly informs national security assessments and tactical operations.

In contrast, other disciplines such as Human Intelligence (HUMINT) focus on human sources and interpersonal interactions; Geospatial Intelligence (GEOINT) involves the collection and analysis of imagery and geospatial data; and Technical Intelligence (TECHINT) pertains to the assessment of foreign weapon systems and technological capabilities without emphasizing communication analysis. Each of these disciplines serves distinct purposes, but SIGINT is uniquely positioned to analyze electronic communications for actionable intelligence.