
Lunar Landing Research Vehicle (LLRV) flight #1-16-61F with Bell 47 Helicopter providing chase support.

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…