In 1962, engineers spent months bickering over nuclear versus chemical engines...

https://www.4shared.com/office/wWQ1a5_Jku/pdf-26874-66177.html

In 1962, engineers spent months bickering over nuclear versus chemical engines for the moon. It wasn't just math; it was ego. I checked the original internal memos to see how they settled the debate. They chose the boring, reliable option