Back in 1962, NASA engineers fought a quiet, brutal war over lunar travel....

https://reidyxab469.iamarrows.com/nuclear-thermal-vs-nuclear-electric-why-your-propulsion-choice-dictates-your-reality

Back in 1962, NASA engineers fought a quiet, brutal war over lunar travel. While some pushed for massive, direct-ascent rockets, others bet everything on a risky docking maneuver. It turns out, smart people rarely agree on the best way to go anywhere.