An experimental unmanned hybrid-fuel aircraft has taken to the skies for testing over Edwards Air Force Base in the High Desert, officials confirmed Wednesday, May 6. The XRQ-73, developed by DARPA in ...
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Hybrid-electric US military drone tested for 18,000-foot flight with ultra-low engine noise
A new US military drone with hybrid-electric propulsion made its first flight in April 2026. This marks an important step toward developing quieter combat and surveillance aircraft. Northrop Grumman ...
The Defense Advanced Research Projects Agency (DARPA), in collaboration with the Air Force Research Laboratory and Northrop Grumman, has flown the XRQ-73, a hybrid-electric, unmanned experimental ...
DARPA said Wednesday that in collaboration with the Air Force Research Laboratory and Northrop Grumman it successfully flew the XRQ-73, a hybrid-electric, unmanned experimental aircraft. The flight ...
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A hybrid-electric uncrewed aircraft designed and built by Northrop Grumman (NOC) has begun flight testing at Edwards Air Force Base in California, the company said Wednesday. The aircraft, designated ...
In a bid to bridge the valley of death between technology demonstration and full-scale development, DARPA in 2021 came up with the concept of an X-Prime program that would fit between an experimental ...
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