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+-   NASA's two $25m unmanned aircraft to explore earth on Sunday August 10 2008, @08:31PM Anonymous Coward

Submitted by Anonymous Coward on Sunday August 10 2008, @08:31PM
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An anonymous reader writes "NASA said this week it is snapping up two Global Hawk unmanned aircraft for use in high-altitude, long-duration Earth science missions and is paying Northrop Grumman US$25 million to support the program over the next five years. The 44-foot long Northrop Grumman Global Hawk weighs nearly 26,000 pounds when fully equipped and can fly 11,000-nautical-mile range and stay aloft for 30-hours. According to Northrop the Global Hawk, which has a wingspan of more than 116 feet and sits about 15 feet high, is the only unmanned aircraft to meet the military and the US Federal Administration Aviation's airworthiness standards and have approval to fly regular flights within US airspace. NASA said its is the ability of the Global Hawk to autonomously fly long distances, remain aloft for extended periods of time, and carry large payloads brings a new capability to the science community for measuring, monitoring and observing remote locations of Earth not feasible or practical with piloted aircraft, most other robotic or remotely operated aircraft or space satellites."
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