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. “The idea behind a ...

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Link :
https://www.nextbigfuture.com/2024/06/new-darpa-stealth-drone-is-designated-x-plane-xrq-73.html