俄罗斯研制了一种叫Ram-M的单座高空侦察机。这种飞机最早的原型,是由米亚西舍夫设计局研制的M-17型高空侦察机, 北约称它为“神秘A”。后来,米亚西舍夫设计局在M-17的基础上,改进生产了M-55高空侦察机,北约叫它“神秘B”。一架M-17 Russia has developed a single-seat high-altitude reconnaissance aircraft called Ram-M. The earliest prototype of this type of aircraft was the M-17 high-altitude reconnaissance aircraft developed by the Miasyshev Design Bureau. NATO called it “Mystery A.” Later, on the basis of the M-17, the Miasyshev Design Bureau improved the production of the M-55 high-altitude reconnaissance plane. NATO called it “Mystery B”. One M-17