
DC-8 Airborne Laboratory in flight.

Pre-Columbian archaeological ruins are revealed through Costa Rican rain forest in this photo taken during NASA's AirSAR 2004 campaign.

School children from Punta Arenas, Chile, talk with Dr. David Imel, an AirSAR scientist from NASA JPL, during AirSAR 2004.

A quarter-scale model of the Centurion solar-powered flying wing rests on the clay of El Mirage Dry Lake in Southern…

The Centurion remotely piloted flying wing above the Rogers Dry Lake bed during one of its initial low-altitude, battery-powered test…

The X-43A Hypersonic Experimental Vehicle, or "Hyper-X" undergoing ground testing at NASA's Dryden Flight Research Center, Edwards, CA, in December…

A NASA painter applied the first primer coat to NASA's Orion full-scale abort flight test crew module in the Edwards…

The slow-flying Centurion solar-electric flying wing, one of several remotely piloted aircraft developed under NASA's Environmental Research Aircraft and Sensor…

The long, narrow wing design and lightweight structure of the Centurion remotely piloted flying wing is clearly visible in this…

The Centurion remotely piloted flying wing during an initial series of low-altitude, battery-powered test flights in late 1998 at NASA's…