| Term | History |
| 1 | Became a Physician at age 18 |
| 1 | Advanced training in a specialist field. |
| 2 | Continued as Physician at age 22 |
| 2 | Make a breakthrough in your field. |
| 2 | Promoted to rank 1 |
| 3 | Continued as Physician at age 26 |
| 3 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 4 | Continued as Physician at age 30 |
| 4 | 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. |
| 4 | A rival researcher blackens your name or steals your research. Gain a Rival. |
| 4 | Gain an Enemy |
| 5 | Continued as Physician at age 34 |
| 5 | A disaster leaves several injured, and others blame you, forcing you to leave your career. Gain a Rival. |
| 5 | Lightly injured, no permanent damage. Fully recovered. |
| 6 | Became a Engineer/Gunner at age 38 |
| 6 | Is now a Crewman |
| 6 | Special assignment or duty on board ship. |
| 7 | Continued as Engineer/Gunner at age 42 |
| 7 | Vessel participates in a notable military engagement. |
| 8 | Continued as Engineer/Gunner at age 46 |
| 8 | You join a gambling circle on board. |
| 8 | Promoted to Engineer/Gunner rank 1 |
| 8 | Is now a Able Spacehand |
| 9 | Continued as Engineer/Gunner at age 50 |
| 9 | Nearly killed. |
| 10 | Became a Courier at age 54 |
| 10 | When dealing with an alien race, you botch an opportunity to gather extra intelligence about them. |
| 10 | Psychologically damaged by your time in the scouts. |
| 10 | Promoted to rank 1 |
| 10 | Is now a Scout |
| 11 | Aging Crisis. Owe 20,000 for medical bills. |
| 11 | Voluntarily left Courier |
| 11 | Retired at age 58 |
| 11 | A new romantic starts. Gain an Ally. |
| 12 | Aging Crisis. Owe 10,000 for medical bills. |