Recorded mission
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United States Air Force
Thor Agena A | Discoverer 12
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Recorded mission coverage
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Mission brief
The flight at a glance.
Discoverer 12 was an American optical reconnaissance satellite. The fourth of five test flights of the Corona KH-1 spy satellite series. It was lost when the second stage failed during launch.
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Planned timings relative to the target. These steps do not indicate live progress.
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