Lockheed Martin HAA This lighter-than-air, solar-powered High-Altitude Airship is designed to hover for more than a year at 60,000 ft., picking up enemy action. A prototype is scheduled to go aloft in 2010.
Lockheed Martin HAA This lighter-than-air, solar-powered High-Altitude Airship is designed to hover for more than a year at 60,000 ft., picking up enemy action. A prototype is scheduled to go aloft in 2010.
