Northrop Grumman has successfully flown the XRQ-73 SHEPARD, a hybrid-electric flying-wing UAS developed for DARPA’s Series Hybrid Electric Propulsion AiRcraft Demonstration program. The milestone flight took place in April 2026 at Edwards Air Force Base, California, after previous delays, as reported by Aviation Week. This experimental Group 3 UAS represents a significant step in testing hybrid-electric propulsion for future military autonomous …
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