Aviationist Designed by Northrop Grumman and subsidiary Scaled Composites, the unmanned XRQ-73 features an ultra-quiet propulsion system powered by electricity from a gas turbine
DARPA's XRQ-73 SHEPARD Hybrid-Electric Flying Wing Takes Flight
Aviationist Designed by Northrop Grumman and subsidiary Scaled Composites, the unmanned XRQ-73 features an ultra-quiet propulsion system powered by electricity from a gas turbine
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