ocr: KINDS OF AIRCRAFT Space Shuttle Glider 04 - - - SESED Supersonic Pedal-Powered Airliner Plane Many different kinds of: aircraft fill our skies. Supersonic airplanes, for example, move faster than the speed ofsound, at a height three times that ofMount Everest. Gliders, on the other hand, are unpowered and rely on: air currents to move them around.The design ofeach aircraft reflects the job it does.
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