I would say, a rocket engineer should definitely start with a simple rocket to be designed on their own - before proceeding to something modern and complex. An

I would say, a rocket engineer should definitely start with a simple rocket to be designed on their own - before proceeding to something modern and complex. And I did not study rocket science, but in my CS studies we definitely started with the simple ("hello world") basics, too, before touching real systems, so I would think, they do likewise. Because it makes sense. How can you understand and design something complex, if you cannot even make a simple version of it?