|Lower Rank:||Crewman Recruit|
|Known Crewman Apprentice||Known Crewman Apprentice|
|[ Source ]|
Crewman Apprentices (Abbreviated to CA) are enlisted personnel with typically less than two years of service. Crewmen Apprentice generally perform menial tasks like basic maintenance or act as security officers. Promotion to Crewman after eighteen months of service is routine.