Which sub-forum would be suitable for asking Q. related to rockets?

[Hall]

If I need to ask doubts about very basics of rockets and satellites, for example about what basically Ramjet and Scramjet are, which sub-forum should be suitable.

 

[Oldman too]

If I need to ask doubts about very basics of rockets and satellites, for example about what basically Ramjet and Scramjet are, which sub-forum should be suitable.

I would go with https://www.physicsforums.com/forums/aerospace-engineering.288/ The search bar is very useful when you want to refine your question also.