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Northrop Grumman SHEPARD X-Plane

22/07/2026Press Release:
Skyfly Technologies opens its electric propulsion technology to aircraft OEMs and unveils hybrid propulsion system for unmanned aircraft
14/05/2026News:
DARPA’s XRQ-73 SHEPARD hybrid-electric experimental aircraft takes off at Edwards Air Force Base.

DARPA hybrid-electric UAV takes off from Edwards

The remotely piloted SHEPARD demonstrator completed its April flight at Edwards Air Force Base as propulsion research continued.

06/05/2026Press Release:
DARPA’s XRQ-73 SHEPARD hybrid-electric experimental aircraft takes off at Edwards Air Force Base, California.
SHEPARD next-gen hybrid electric uncrewed aircraft takes flight
06/05/2026News:

DARPA and Northrop Grumman fly XRQ-73 hybrid-electric demonstrator

Hybrid-electric flight testing at Edwards Air Force Base has advanced efforts to develop lower-emission military aircraft with greater operational flexibility.

10/07/2024Press Release:
Northrop Grumman designed and built the XRQ-73 SHEPARD Hybrid Electric Uncrewed Aircraft System (UAS) X-Plane for the Defense Advanced Research Projects Agency.
Northrop Grumman builds next-generation hybrid electric uncrewed X-plane for DARPA

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