New DARPA Stealth Drone is Designated X-plane XRQ-73
By Brian Wang
DARPA and Northrop Grumman have made a new drone with X-plane designation XRQ-73. The Series Hybrid Electric Propulsion AiRcraft Demonstration program is known as SHEPARD. SHEPARD is an X-prime program, leveraging the series hybrid electric architecture and some of the component technologies from the earlier AFRL/IARPA Great Horned Owl (GHO) project.
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