Re: 47 Klingon Ships and Uhura
...Which may indicate either that in this universe, she actually got a degree in linguistics before enrolling (and thus is junior to Chekov in rank despite her years), or that in this universe, she was born later (and thus is junior to Chekov in age, too - sweet sixteen, then?).
When in the dialogue does she cease to be a cadet? Or does she remain one until boarding the Enterprise, like Kirk?
I'm pretty sure she's called cadet on the Enterprise. I think by Pike.