CenturionThe lightweight structure of the Centurion remotely piloted flying wing can be seen clearly from beneath the vehicle. The photo...The Centurion remotely piloted flying wing rests on the Rogers Dry Lake at sunrise, moments before takeoff. This photo was...Silhouetted under a bright blue sky, a quarter-scale model of the Centurion solar-powered flying wing shows off its long, narrow...The Centurion remotely piloted flying wing demonstrated its flying qualities during an initial series of low-altitude, battery-powered test flights in...The Centurion remotely piloted flying wing in flight during an initial series of low-altitude, battery-powered test flights in late 1998...Onlookers are dwarfed by the 206-foot wingspan of the Centurion flying wing on a hangar ramp at NASA's Dryden Flight...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 Centurion remotely piloted flying wing during an initial series of low-altitude, battery-powered test flights in late 1998 at NASA's...The long, narrow wing design and lightweight structure of the Centurion remotely piloted flying wing is clearly visible in this...The slow-flying Centurion solar-electric flying wing, one of several remotely piloted aircraft developed under NASA's Environmental Research Aircraft and Sensor...Trailed by a van carrying the remote pilot and observers, a radio-controlled quarter-scale model of the Centurion solar-electric flying wing...As crewmen jog and cycle alongside, a battery-powered, quarter-scale prototype of the remotely-piloted Centurion flying wing rolls across the El...A close-up view of the 14 wide-bladed propellers and electric motors on the Centurion solar-powered, remotely piloted flying wing. This...The Centurion solar-powered, remotely-piloted flying wing rests on the sun-baked surface of Rogers Dry Lake, adjacent to NASA's Dryden Flight...The Centurion remotely piloted flying wing during an early morning test flight over the Rogers Dry Lake adjacent to at...Silhouetted under a bright blue sky, a quarter-scale model of the Centurion solar-powered flying wing shows off its internal rib...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 during an initial series of low-altitude, battery-powered test flights in late 1998 at NASA's...The lightweight wing structure and covering of the Centurion remotely piloted flying wing can be clearly seen in this photo...The Centurion solar-electric flying wing, one of several remotely piloted aircraft being developed under NASA's Environmental Research Aircraft and Sensor...Framed by wispy contrails left by passing jets high above, a quarter-scale model of the Centurion solar-electric flying wing shows...As sunlight breaks over Southern California's El Mirage Dry Lake, Crew members prepare a battery-powered quarter-scale prototype of the remotely-piloted...The long, curved wing of the Centurion remotely piloted flying wing is clearly visible, taken during an initial series of...A quarter-scale model of the future Centurion solar-powered high-altitude research aircraft settles in for landing after a March 1997 test...Illuminated by early-morning sunlight, a quarter-scale model of the solar-powered, remotely piloted Centurion ultra-high-altitude flying wing soars over California's Mojave...The Centurion remotely piloted, solar-powered aircraft is silhouetted by the early morning sun on Rogers Dry Lake, adjacent to NASA's...Illuminated by early-morning sunlight, a quarter-scale model of the Solar-powered, remotely piloted Centurion ultra-high-altitude flying wing demonstrates its abilities during...Technicians perform pre-test checks of a battery-powered quarter-scale prototype of the remotely-piloted Centurion flying wing during taxi tests In March...Rick Meininger, project manager for solar-powered aircraft builder AeroVironment, Inc., checks the airfoil of a battery-powered quarter-scale prototype of the...A battery-powered, quarter-scale prototype of the solar-powered, remotely piloted Centurion flying wing sits on the lakebed at California's El Mirage...Centurion designer Bill Parks and remote pilot Wyatt Sadler go over the checklist for a test flight of the battery-powered...With the snow-covered San Gabriel Mountains as a backdrop and a motorcycle-mounted chase crew alongside, a quarter-scale model of the...