Only three people (Norma Cretal, Buzz Corey and Jimmy Calunga) in the USA were qualified to hand-pack the massive parachutes for the Apollo space capsules. Their expertise was so vital, they were not allowed to ride in the same car together for fear of an accident. – WTF Fun Facts
Source: https://www.history.com/news/moon-landing-technology-inventions-computers-heat-shield-rovers
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