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Thursday, March 10, 2011

Landmark Flight Brings Program One Step Closer to Demonstrating Autonomous Aerial Refueling Between Two Unmanned Aircraft

Proteus - Global HawkOn Jan. 21, Northrop Grumman Corporation, Defense Advanced Research Projects Agency (DARPA) and NASA Dryden Flight Research Center took a major step toward demonstrating autonomous aerial refueling between two unmanned, high altitude aircraft, an operation never before performed.

In a key risk reduction flight test, Northrop Grumman's Proteus test aircraft and a NASA Global Hawk flew as close as 40 feet apart at an altitude of 45,000 feet, an industry-setting record.

The flight test was conducted in the challenging high altitude environment required for refueling of high altitude long endurance (HALE) unmanned aircraft systems (UAS). Wake turbulence between the two aircraft as well as engine performance and flight control responsiveness in the stratosphere were evaluated.

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