Re: Did Kirk captain any ship before Enterprise?
Since we are unlikely to ever get a canon answer, I'd say go with what makes you happy. For all we know, he could've been like Sisko, commanding a starbase prior to his promotion.
"When I first heard about it (the Enterprise underwater), my inner Trekkie was in a rage. When I saw it, my inner kid beat up my inner Trekkie and made him go sit in the corner." - Bill Jasper