| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Voluntarily left Engineer/Gunner |
| 3 | Became a Physician at age 26 |
| 3 | Refuse to join a cheat in some fashion. |
| 3 | Promoted to rank 1 |
| 4 | Continued as Physician at age 30 |
| 4 | Make a breakthrough in your field. |
| 5 | Voluntarily left Physician |
| 5 | Switched to Field Researcher at age 34 |
| 5 | Make a breakthrough in your field. |
| 5 | Promoted to rank 1 |
| 6 | Continued as Field Researcher at age 38 |
| 6 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 6 | Promoted to rank 2 |
| 7 | Continued as Field Researcher at age 42 |
| 7 | Win a prestigious prize for your work. |
| 8 | Continued as Field Researcher at age 46 |
| 8 | Make a breakthrough in your field. |
| 8 | Promoted to rank 3 |
| 9 | Continued as Field Researcher at age 50 |
| 9 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 10 | Became a Merchant Marine at age 54 |
| 10 | Is now a Crewman |
| 10 | Embroiled in legal trouble. |
| 10 | Promoted to rank 1 |
| 10 | Is now a Senior Crewman |
| 11 | Aging Crisis. Owe 10,000 for medical bills. |