This was arranged so the senior command officer could get away.

I thought you were a command officer, not a tech.

Your shuttle has three command officers, one of whom is a doctor.

It would never have occurred to him to say anything to a command officer unless he absolutely had to.

He looked around at his command officers, many of whom he was still getting to know.

But again, this isn't about your becoming a command officer.

In such an instance, you are required to call a ranking command officer.

But a command officer didn't call off a mission simply because of a little trench-fright.

What a command officer did was remind himself of his objective.

Technically, as second lieutenant, he was the command officer on third watch.