| Term | History |
| 1 | Became a Line/Crew at age 18 |
| 1 | Is now a Crewman |
| 1 | Refuse to abuse your position for profit |
| 2 | Continued as Line/Crew at age 22 |
| 2 | Vessel participates in a notable military engagement. |
| 2 | Promoted to Line/Crew rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Continued as Line/Crew at age 26 |
| 3 | Advanced training in a specialist field |
| 3 | Promoted to Line/Crew rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Voluntarily left Line/Crew |
| 4 | Became a Physician at age 30 |
| 4 | Assigned to work on a secret project for a patron or organisation. |
| 4 | Promoted to rank 1 |
| 5 | Continued as Physician at age 34 |
| 5 | Advanced training in a specialist field. |
| 5 | Promoted to rank 2 |
| 6 | Continued as Physician at age 38 |
| 6 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 7 | Continued as Physician at age 42 |
| 7 | A disaster or war strikes. |
| 7 | Lost eye or limb. Fully recovered. Owe 2,500 for medical bills. |
| 7 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 8 | Aging Crisis. Owe 30,000 for medical bills. |
| 8 | Continued as Physician at age 46 |
| 8 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 8 | Forced to muster out. |
| 9 | Retired at age 50 |
| 9 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 10 | Aging Crisis. Owe 30,000 for medical bills. |
| 10 | Good fortune |
| 11 | Good fortune |
| 12 | Aging Crisis. Owe 10,000 for medical bills. |
| 12 | Moved to a new world. |
| 13 | Aging Crisis. Owe 50,000 for medical bills. |
| 13 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 14 | Aging Crisis. Owe 60,000 for medical bills. |