Helios Prototype Flying Wing on lakebed at Edwards, Calif.
The Helios Prototype is an enlarged version of the Centurion flying wing, which flew a series of test flights at…
The first flight of a large aircraft to be powered by electric fuel cells began with a takeoff at 8:43…
AeroVironment technicians carefully line up attachments as a fuel cell electrical system is installed on the Helios Prototype solar powered…
X-2 Number 1 (#674) landing with skids deployed.
The Perseus B remotely piloted aircraft on the runway at Edwards Air Force Base, Calif. at the conclusion of a…
The Perseus proof-of-concept vehicle in flight at the Dryden Flight Research Center, Edwards, Calif. in 1991.
The Perseus proof-of-concept vehicle flies over Rogers Dry Lake at the Dryden Flight Research Center, Edwards, Calif., to test basic…
The Perseus B high-altitude, remotely piloted research vehicle touches down on the runway at Edwards AFB, adjacent to NASA's Dryden…
A long, slender wing and a pusher propeller at the rear characterize the Perseus B remotely piloted aircraft, seen here…
