In 1962, engineers debated whether nuclear, chemical, or electric engines...

https://extra-wiki.win/index.php/Why_Astrology_%E2%80%9CWins%E2%80%9D_By_Never_Stepping_Into_the_Ring

In 1962, engineers debated whether nuclear, chemical, or electric engines should lead the moon race. These memos prove even the best minds rarely agree when the physics are unproven