An American U-2 spy plane captured in the Soviet Union in 1960 had taken off from a secret airbase near Peshawar.
苏联在1960年俘获的一架美国U - 2型侦察机就是从位于白沙瓦附近的一处秘密空军基地起飞的。
Perhaps the most famous spy swap involved Francis Gary Powers, a U.S. pilot who had been shot down in a U-2 spy plane over the Soviet Union in 1960.
或许最为著名的间谍互换事件的案主叫做FrancisGaryPowers，1960年这位美国飞行员驾驶的U-2侦察机在苏联被击落。
Thus, a spy plane could not be completely invisible if it were to be used for espionage or, indeed, flown at all, since its pilots would need to know its position relative to the ground.
所以，如果要用来执行侦察任务，侦察机就不可能完全隐形，否则就不能飞行，因为飞行员需要知道飞机与地面的相对位置。
Thus, a spy plane could not be completely invisible if it were to be used for espionage or, indeed, flown at all, since its pilots would need to know its position relative to the ground.
所以，如果要用来执行侦察任务，侦察机就不可能完全隐形，否则就不能飞行，因为飞行员需要知道飞机与地面的相对位置。
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