Originally Posted by
MaydayMark
I had the same conversation with the previous SCP. He asked me, "if you're both wearing parkas, who's the Captain?"
My reply ... "If we're both wearing parkas then we're not in the cockpit and it doesn't matter who the Captain is!" He didn't seem to like that answer.

I never understood his logic.
If you're the CA, the other guy must be the FO, or vice versa.
If you salute first, you must be the FO.