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.
The above video shows this UAV in action. Gung Ho Vids has the full story.
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