In 1962, NASA engineers clashed over choosing chemical, nuclear, or electric...

https://wiki-planet.win/index.php/Nuclear_Rocket_Mars_Time:_Reality_vs._The_PowerPoint_Hype

In 1962, NASA engineers clashed over choosing chemical, nuclear, or electric propulsion. It’s a classic study in ego and orbital math. We dive into the memos to show why even the smartest people struggle to agree on the right way to leave Earth.