| Term | History |
| 1 | Became a Colonist at age 18 |
| 1 | Advanced training in a specialist field. |
| 1 | Promoted to rank 1 |
| 2 | Continued as Colonist at age 22 |
| 2 | Refused to co-operate with investigation by the planetary authorities. Gain an Ally |
| 3 | Became a Flight at age 26 |
| 3 | Is now a Crewman |
| 3 | You are blamed for an accident that causes the death of several crew members. Your guilt drives you to excel. |
| 4 | Switched to Engineer/Gunner at age 30 |
| 4 | Injured. Fully recovered. |
| 5 | Switched to Line/Crew at age 34 |
| 5 | Victim of a crime |
| 5 | Promoted to Line/Crew rank 1 |
| 5 | Is now a Able Spacehand |
| 6 | Continued as Line/Crew at age 38 |
| 6 | Display heroism in battle, saving the whole ship. |
| 6 | Commissioned in Navy/Line/Crew |
| 6 | Is now a Ensign |
| 6 | Promoted to Line/Crew officer rank 2 |
| 6 | Is now a Sublieutenant |
| 7 | Continued as Line/Crew at age 42 |
| 7 | Vessel participates in a diplomatic mission. |
| 8 | Voluntarily left Line/Crew |
| 8 | Became a Physician at age 46 |
| 8 | Refused to perform research that goes against your conscience. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Physician at age 50 |
| 9 | A disaster or war strikes. |
| 9 | Severely injured. Fully recovered. Owe 3,750 for medical bills. |
| 9 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 10 | Aging Crisis. Owe 10,000 for medical bills. |
| 10 | Continued as Physician at age 54 |
| 10 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 11 | Aging Crisis. Owe 10,000 for medical bills. |