First mate

first mate

A First Mate is the top officer on board a ship after the captain. Mostly, they may fill a number of roles from checking stock to making sure everyone else is doing their job on the ship. They answer only to one person on a ship, the captain.

It is a term not officially used in the Union Spatial Navy. The Union Navy term is XO or Executive Officer. However civilian ships, merchant ships, pirate crews often use the term for the person second in command.