| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | Make a breakthrough in your field. |
| 1 | Promoted to rank 1 |
| 2 | Continued as Scientist at age 22 |
| 2 | Advanced training in a specialist field. |
| 2 | Forced to continue current assignment |
| 2 | Promoted to rank 2 |
| 3 | Continued as Scientist at age 26 |
| 3 | Caught cheating in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 3 | A disaster or war strikes. |
| 3 | Severely injured. Fully recovered. |
| 3 | The planetary government interferes with your research for political or religious reasons. You continue working openly and gain an Enemy. |
| 3 | Gain an Enemy |
| 4 | Continued as Scientist at age 30 |
| 4 | Work leads to a considerable breakthrough. |
| 4 | Promoted to rank 3 |
| 5 | Continued as Scientist at age 34 |
| 5 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 5 | Forced to muster out. |
| 6 | Became a Line/Crew at age 38 |
| 6 | Is now a Crewman |
| 6 | Commanding officer takes an interest in your career. |
| 6 | Promoted to Line/Crew rank 1 |
| 6 | Is now a Able Spacehand |
| 7 | Continued as Line/Crew at age 42 |
| 7 | Refuse to abuse your position for profit |
| 7 | Forced to continue current assignment |
| 7 | Promoted to Line/Crew rank 2 |
| 7 | Is now a Petty Officer, 3rd class |
| 8 | Continued as Line/Crew at age 46 |
| 8 | Gained a contact. |
| 8 | Promoted to Line/Crew rank 3 |
| 8 | Is now a Petty Officer, 2nd class |
| 9 | Aging Crisis. Owe 10,000 for medical bills. |