The Scaled Composites Proteus during a fly-by. The Proteus is atwin-turbofan, high-altitude aircraft designed by Burt Rutan. With a 2,000-pound payload, it can stay at 50,000 feet for 14 hours.
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The Scaled Composites Proteus during a fly-by. The Proteus is atwin-turbofan, high-altitude aircraft designed by Burt Rutan. With a 2,000-pound payload, it can stay at 50,000 feet for 14 hours.