Some 20 years ago, on 30 September 1988, many readers of the Pravda newspaper - the official mouthpiece of the Soviet communist party - could not believe their eyes.
Published somewhat inconspicuously on the second page, there was a photo depicting the familiar shape of the US space shuttle, but with Soviet insignia on its wings.
Finally, years of rumours about a Soviet "copy" of the shuttle had been confirmed.
More: http://news.bbc.co.uk/2/hi/science/nature/7738489.stm