| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Special assignment or duty on board ship. |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Vessel participates in a notable military engagement. |
| 2 | Attempt at commissioned failed. |
| 2 | Forced to continue current assignment |
| 2 | Promoted to Engineer/Gunner rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Vessel participates in a diplomatic mission. |
| 3 | Promoted to Engineer/Gunner rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Voluntarily left Engineer/Gunner |
| 4 | Became a Physician at age 30 |
| 4 | Win a prestigious prize for your work. |
| 5 | Continued as Physician at age 34 |
| 5 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 6 | Continued as Physician at age 38 |
| 6 | Scarred. Fully recovered. Owe 5,000 for medical bills. |
| 7 | Switched to Line/Crew at age 42 |
| 7 | During a battle, defeat or victory depends on your actions. You actions lead to an honorabe discharge. |
| 8 | Returned to Engineer/Gunner at age 46 |
| 8 | Good fortune |
| 8 | Promoted to Engineer/Gunner rank 3 |
| 8 | Is now a Petty Officer, 2nd class |
| 9 | Continued as Engineer/Gunner at age 50 |
| 9 | Nearly killed. Fully recovered. |