An exclusive clip from PBS shows the difficult conversations that took place before the fatal Challenger space shuttle explosion in 1986, which killed seven astronauts during launch.
Tense Debates Before Challenger Shuttle Disaster Revealed in PBS 'Retro Report' (Exclusive Video)
SPACE.com - 28 Oct 2019 18:58
An exclusive clip from PBS shows the difficult conversations that took place before the fatal Challenger space shuttle explosion in 1986, which killed seven astronauts during launch.
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