Which sensor allows an analyst to process and exploit ELINT using their DCGS-A systems?

The correct answer is Guardrail. This sensor is specifically designed to facilitate the collection and processing of Electronic Intelligence (ELINT). ELINT pertains to the interception and analysis of non-communication electronic signals, which can include radar emissions and other electronic signals used for military purposes. Guardrail systems are tailored to work within the DCGS-A (Distributed Common Ground System – Army) infrastructure, allowing analysts to exploit the gathered ELINT effectively.

Guardrail integrates with DCGS-A to enable real-time processing, analysis, and dissemination of electronic intelligence data, supporting critical decision-making in military operations. Its capacity to handle the associated complexities of ELINT enables intelligence analysts to derive actionable insights from these electronic signals.

Other systems listed, while relevant in different contexts, do not primarily focus on ELINT or do not integrate as seamlessly with DCGS-A for this purpose. Each has its distinct functions and applications but does not align as specifically with the requirements for processing ELINT data within the DCGS-A environment as Guardrail does.