Meet the RQ-4B Global Hawk: a U.S. Air Force spy drone with a wingspan of 130.9 feet, which is longer than the wingspan of a Boeing 757. This unmanned aerial vehicle is designed for surveillance missions. It is powered by a Rolls-Royce F137-RR-100 turbofan engine. It has a cruising speed of 357 mph, max range of 14,154 miles, and max altitude of 60k feet.
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The above video shows this UAV in action. Gung Ho Vids has the full story.
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