| Term | History |
| 1 | Became a Explorer at age 18 |
| 1 | Scarred. Owe 2,500 for medical bills. |
| 2 | Became a Field Researcher at age 22 |
| 2 | Agreed to perform research that goes against your conscience. Gain 1 Enemies. |
| 2 | Promoted to rank 1 |
| 3 | Continued as Field Researcher at age 26 |
| 3 | Advanced training in a specialist field. |
| 3 | Promoted to rank 2 |
| 4 | Voluntarily left Field Researcher |
| 4 | Switched to Scientist at age 30 |
| 4 | Gained a contact. |
| 4 | Promoted to rank 1 |
| 5 | Continued as Scientist at age 34 |
| 5 | Refused to perform research that goes against your conscience. |
| 5 | Promoted to rank 2 |
| 6 | Continued as Scientist at age 38 |
| 6 | A disaster or war strikes. |
| 6 | Scarred. Fully recovered. Owe 2,500 for medical bills. |
| 6 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 7 | Continued as Scientist at age 42 |
| 7 | Advanced training in a specialist field. |
| 7 | Promoted to rank 3 |
| 8 | Continued as Scientist at age 46 |
| 8 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 8 | Promoted to rank 4 |
| 9 | Continued as Scientist at age 50 |
| 9 | Advanced training in a specialist field. |
| 9 | Forced to muster out. |
| 10 | Became a Flight at age 54 |
| 10 | Is now a Crewman |
| 10 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 11 | Aging Crisis. Owe 30,000 for medical bills. |
| 11 | Retired at age 58 |
| 11 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 12 | Aging Crisis. Owe 20,000 for medical bills. |
| 12 | Gained a contact. |
| 13 | Aging Crisis. Owe 50,000 for medical bills. |
| 13 | Good fortune |
| 14 | Aging Crisis. Owe 50,000 for medical bills. |