| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | Advanced training in a specialist field. |
| 2 | Continued as Scientist at age 22 |
| 2 | A disaster or war strikes. |
| 2 | Nearly killed. Owe 8,750 for medical bills. |
| 2 | The planetary government interferes with your research for political or religious reasons. You continue working openly and gain an Enemy. |
| 3 | Continued as Scientist at age 26 |
| 3 | A disaster or war strikes. |
| 3 | The planetary government interferes with your research for political or religious reasons. You continue working openly and gain an Enemy. |
| 4 | Continued as Scientist at age 30 |
| 4 | Your work is sabotaged by unknown parties. You start again from scratch. |
| 5 | Continued as Scientist at age 34 |
| 5 | Win a prestigious prize for your work. |
| 6 | Continued as Scientist at age 38 |
| 6 | Win a prestigious prize for your work. |
| 7 | Continued as Scientist at age 42 |
| 7 | A rival researcher blackens your name or steals your research. Gain a Rival. |
| 7 | Forced to muster out. |
| 8 | Became a Scavenger at age 46 |
| 8 | Severely injured. Fully recovered. Owe 5,000 for medical bills. |
| 9 | Became a Engineer/Gunner at age 50 |
| 9 | Is now a Crewman |
| 9 | Placed in the frozen watch (cryogenically stored on board ship) and revived improperly. |
| 10 | Became a Explorer at age 54 |
| 10 | Your ship is damaged, and you have to hitch-hike your way back across the stars to the nearest scout base. |
| 10 | Gain 5 Contacts. Gain 2 Enemies. |
| 11 | Switched to Wanderer at age 58 |
| 11 | Betrayed by a friend. One of your Contacts or Allies betrays you, ending your career. That Contact or Ally becomes a Rival or Enemy. |
| 12 | Aging Crisis. Owe 40,000 for medical bills. |
| 12 | Retired at age 62 |
| 12 | Moved to a new world. |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |
| 13 | Good fortune |
| 14 | Aging Crisis. Owe 10,000 for medical bills. |
| 14 | Birth or Death involving a family member or close friend. |
| 15 | Aging Crisis. Owe 30,000 for medical bills. |