| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | A disaster or war strikes. |
| 1 | Severely injured. Owe 12,500 for medical bills. |
| 1 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 2 | Voluntarily left Scientist |
| 2 | Became a Engineer/Gunner at age 22 |
| 2 | Is now a Crewman |
| 2 | Vessel participates in a diplomatic mission. |
| 2 | Promoted to Engineer/Gunner rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Voluntarily left Engineer/Gunner |
| 3 | Became a Scavenger at age 26 |
| 4 | Continued as Scavenger at age 30 |
| 5 | Continued as Scavenger at age 34 |
| 5 | Survived a risky adventure but gained nothing. |
| 6 | Continued as Scavenger at age 38 |
| 6 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 7 | Continued as Scavenger at age 42 |
| 7 | Attempted a risky adventure and was sent to prison. |
| 7 | Forced to muster out. |
| 8 | Became a Inmate at age 46 |
| 8 | Special Duty. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Inmate at age 50 |
| 9 | Attacked by another prisoner. |
| 9 | Promoted to rank 2 |
| 10 | Continued as Inmate at age 54 |
| 10 | Parole hearing. |
| 11 | Switched to Thug at age 58 |
| 11 | A guard takes a dislike to you. |
| 12 | Switched to Fixer at age 62 |
| 12 | Joined a prison gang |
| 12 | Promoted to rank 1 |
| 13 | Aging Crisis. Owe 60,000 for medical bills. |
| 13 | Returned to Thug at age 66 |
| 13 | Lightly injured, no permanent damage. Fully recovered. |
| 14 | Aging Crisis. Owe 50,000 for medical bills. |
| 14 | Returned to Fixer at age 70 |
| 14 | Persecuted by a prison gang. |
| 15 | Aging Crisis. Owe 50,000 for medical bills. |