| 11. | It was mainly used in the US-A radar reconnaissance satellites.
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| 12. | SDS satellites are used to relay data from American reconnaissance satellites to ground stations.
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| 13. | A new generation of reconnaissance satellites could soon cover targets anywhere in the world.
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| 14. | The MOUSE program later produced the first reconnaissance satellites used over the Soviet Union.
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| 15. | Reconnaissance satellites were used by militaries to take accurate pictures of their rivals'military installations.
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| 16. | Others have been revealed by U-2 spy planes and U . S . reconnaissance satellites.
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| 17. | The MOL program was cancelled on 10 June 1969, in favour of unmanned reconnaissance satellites.
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| 18. | The advent of reconnaissance satellites made tactical reconnaissance less and less necessary by the mid-1970s.
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| 19. | It simulated attacks that could cripple ground stations, disable computers or blind photo reconnaissance satellites.
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| 20. | It also managed an ambitious program of photo-reconnaissance satellites.
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