In 1962, experts spent months fighting over whether to use chemical or nuclear...
https://www.mediafire.com/file/w5qpwzlhq44tyhb/pdf-77779-49717.pdf/file
In 1962, experts spent months fighting over whether to use chemical or nuclear rockets for the moon. We like to imagine the space race was a smooth, unified march, but these old memos show it was a messy clash of egos