Scott Manley has some good videos focusing on various engineering aspects of Apollo: https://www.youtube.com/results?search_query=apollo+scott+manley https://ww

Scott Manley has some good videos focusing on various engineering aspects of Apollo: https://www.youtube.com/results?search_query=apollo+scott+manley https://www.youtube.com/results?search_query=apollo+scott+ma... You could do worse than just reading all the Wikipedia articles on all the various pieces of hardware, e.g., the Lunar Landing Research Vehicle https://en.wikipedia.org/wiki/Lunar_Landing_Research_Vehicle https://en.wikipedia.org/wiki/Lunar_Landing_Research_Vehicle