You want to try and bring a character to life in an honest a way as you possibly can. It doesn't matter whether he's a doctor, an actor, a car salesman or a captain of a starship. If you can bring truth and honesty to that character, then your audience will believe you.
What does God need with a starship?
-When I was growing up, Lieutenant Uhura was a major role model for me, a strong black woman on the bridge of a starship… -In a miniskirt, answering the interplanetary telephone?