In 1962, NASA engineers waged a quiet war over propulsion: nuclear, chemical,...

https://wiki-spirit.win/index.php/The_Anatomy_of_an_%22Impossible%22_Idea:_Why_Lunar_Orbit_Rendezvous_Sounded_Like_Madness

In 1962, NASA engineers waged a quiet war over propulsion: nuclear, chemical, or electric? It was not just about the physics; it was about ego and rigid bureaucracy