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THE COLD DAY BEFORE LAUNCH
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Period: to
THE CHALLENGER ACCIDENT
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THE CHALLENGER EXPLODED
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CHALLENGER INVESTIGATION STARTED
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FOUND THE REMINENTS OF THE SHUTTLE
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HOW THE CHALLENGER EXPLODED INVESTIGATION STARTED
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THE CHALLENGER INVESTIGATION STARTED
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THE SHUTTLE FUELSLAGE IS FOUND
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THE CAUSE OF THE ASTRONAUTS DEATH IS FOUND
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FOUND OUT WHY THE CHALLENGER EXPLODED
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THE CHALLENGER INVESTIGATION ENDS