| Term | History |
| 1 | Became a Intelligence at age 18 |
| 1 | Hard times caused by a lack of interstellar trade costs you your job. |
| 2 | Became a Engineer/Gunner at age 22 |
| 2 | Is now a Crewman |
| 2 | Gained a contact. |
| 2 | Promoted to Engineer/Gunner rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Refuse to abuse your position for profit |
| 3 | Promoted to Engineer/Gunner rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Voluntarily left Engineer/Gunner |
| 4 | Became a Physician at age 30 |
| 4 | Make a breakthrough in your field. |
| 4 | Promoted to rank 1 |
| 5 | Continued as Physician at age 34 |
| 5 | 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. |
| 5 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 5 | Gain an Enemy |
| 6 | Continued as Physician at age 38 |
| 6 | Advanced training in a specialist field. |
| 7 | Continued as Physician at age 42 |
| 7 | 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. |
| 7 | A rival researcher blackens your name or steals your research. Gain a Rival. |
| 7 | Gain an Enemy |
| 7 | Promoted to rank 2 |
| 8 | Continued as Physician at age 46 |
| 8 | Gained a contact. |
| 9 | Continued as Physician at age 50 |
| 9 | Work leads to a considerable breakthrough. |
| 9 | Promoted to rank 3 |