In 1962, NASA engineers argued over whether to power Apollo with radical...

https://mighty-wiki.win/index.php/The_Lunar_Orbit_Rendezvous:_Why_the_%22Crazy%22_Plan_Was_Actually_the_Only_Way_to_the_Moon

In 1962, NASA engineers argued over whether to power Apollo with radical nuclear engines or tried-and-true chemical fuels. It wasn't just technical; it was a battle of egos and physics