Type:

Enlisted Rank

Above:

None

Below:

Petty Officer

Duties:

- Handle the everyday operation of the ship, such as:

- Maintaining ship systems
- Assisting in engineering
- Security duties
- Shuttle maintenance
- Medical support under supervision
- Science lab assistance

Miscellaneous:

- Also called Able Seaman
- Did not always have a rank insignia
- Sometimes divided into separate grades

Grades:

- Crewman 3rd Class (lowest)
- Crewman 2nd Class
- Crewman 1st Class