An experimental unmanned hybrid-fuel aircraft has taken to the skies for testing over Edwards Air Force Base in the HIgh Desert.
DARPA's XRQ-73 SHEPARD hybrid-electric stealth drone completes maiden flight, proving silent surveillance capability in contested airspace.
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 ...