Space Shuttle Challenger exploded 73 seconds after launch. Space Shuttle Columbia disintegrated into pieces after re-entering the earth's atmosphere. NASA admits that both of these tragedies could have been prevented. So why weren't they?

Parcasters, we have exciting news! Our first book hits bookshelves July 12th. Don’t miss this chilling summer read that takes you deep into the darkest sides of human nature. Learn more at www.parcast.com/cults!
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