| Term | History |
|---|
| 1 | Became a Line/Crew at age 18 |
| 1 | Is now a Crewman |
| 1 | Special assignment or duty on board ship. |
| 1 | Attempt at commissioned failed. |
| 1 | Promoted to Line/Crew rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Line/Crew at age 22 |
| 2 | Vessel participates in a notable military engagement. |
| 2 | Promoted to Line/Crew rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Line/Crew at age 26 |
| 3 | Advanced training in a specialist field |
| 3 | Promoted to Line/Crew rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Line/Crew at age 30 |
| 4 | Vessel participates in a notable military engagement. |
| 4 | Promoted to Line/Crew rank 4 |
| 4 | Is now a Petty Officer, 1st class |
| 5 | Continued as Line/Crew at age 34 |
| 5 | You join a gambling circle on board. |
| 5 | Forced to continue current assignment |
| 5 | Promoted to Line/Crew rank 5 |
| 5 | Is now a Chief Petty Officer |
| 6 | Continued as Line/Crew at age 38 |
| 6 | Lost eye or limb. Fully recovered. |
| 7 | Switched to Engineer/Gunner at age 42 |
| 7 | During a battle, defeat or victory depends on your actions. The ship suffers severe damage and you are blamed for the disaster. You are court - martialled and discharged. |
| 7 | Promoted to Engineer/Gunner rank 6 |
| 7 | Is now a Master Chief |
| 8 | Continued as Engineer/Gunner at age 46 |
| 8 | Placed in the frozen watch (cryogenically stored on board ship) and revived improperly. |
| 9 | Died at age 50 |