绰号“黑鸟”的SR—71战略侦察机,是美国洛克希德公司研制的一种双人驾驶的高空、高速侦察机。自1966年起凭着它三倍的音速、能飞20000米高空的性能和先进的电子侦察设备,在美国空军服役了23年。该机从未被击落过的、几乎飞遍所有敌对国家领空的、地地道道的空中飞谍。 Nicknamed “Blackbird ” SR-71 strategic reconnaissance aircraft, the United States Lockheed company developed a double-pilot high-altitude, high-speed reconnaissance aircraft. With its triple speed of sound since 1966, it has been able to fly 20,000 meters of altitude performance and advanced electronic reconnaissance equipment and served in the U.S. Air Force for 23 years. The plane has never been shot down, almost flying over the air space of all hostile countries, the airselver.