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GA-ASI Flight Tests Advanced SNC ESM System on Gray Eagle UAS for Long-Range Sensing

General Atomics Aeronautical Systems completes successful flight testing of SNC's electronic support measures system on the MQ-1C Gray Eagle ER, boosting U.S. Army long-range detection and survivability outside hostile threat zones By Olivia Hannam / 16 Oct 2026
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General Atomics Aeronautical Systems, Inc. (GA-ASI) has completed flight testing of the SNC Electronic Support Measures (ESM) system on the MQ-1C Gray Eagle® Extended Range (ER) Uncrewed Aircraft System (UAS).

The U.S. Army is evaluating numerous ways to modernize the Gray Eagle to provide critical information to ground commanders using long-range sensing to detect and target hostile Integrated Air Defense Systems (IADS). This allows Gray Eagle to detect and target outside Weapon Engagement Zones (WEZ) and significantly increases mission assurance for U.S. Forces operating in the Area of Responsibility (AOR).

David R. Alexander, GA-ASI President, commented, “We’re excited to have new capability on the Army Gray Eagle. Combining long-range detection with the range and persistence of the Gray Eagle ensures that commanders always know when an adversary’s IADS is operating.”

Gray Eagle’s open systems architecture reduces time and cost, making this upgrade simple but impactful. The ESM, produced by SNC, is a small form-factor, detection and collection system. It allows Gray Eagles to operate safely outside threat ranges while looking deeply into the battlespace and enables advanced Crewed-Uncrewed Teaming to increase survivability for crewed Army aircraft. The highly modular, adaptable Gray Eagle can readily accommodate new systems to stay ahead of threats.

The integration of SNC’s ESM builds upon several other significant capability improvements to the Gray Eagle UAS as demonstrated in U.S. European Command, Vanguard, and Project Convergence Capstone 5 (PC-C5) exercises.

To learn more, visit the General Atomics Aeronautical Systems, Inc Partner Hub: Innovation Partner Hub
Posted by Olivia Hannam Olivia is an Editor and Copywriter at Defense Advancement. She graduated with First-Class Honours in History from the University of Exeter, where she developed a strong passion for research and clear communication. Since joining DA in 2025, Olivia’s focus lies in producing insightful content that highlights the latest developments and innovations shaping the defense sector, with a particular interest in naval technology and maritime defense. Connect

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