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These stories are about the Columbia space shuttle accident. They include pieces on the frequency and severity of foam impacts on previous shuttles;a story that Columbia mission engineers had been worried about possible damage by the foam strike but had been dismissed by their superiors; reporting on the behind-the-scenes debate over whether to seek imagery of the damage and about the inadequacies of the efforts to try to predict damage; a story on how accident investigating board members were being paid by NASA in order to get around federal-open meeting requirements; and a look at 6 other chronic shuttle problems that have been accepted as "normal" by NASA engineers, just as foam was accepted.
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