| Term | History |
| 1 | Became a Line/Crew at age 18 |
| 1 | Is now a Crewman |
| 1 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 2 | Became a Field Researcher at age 22 |
| 2 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 2 | Promoted to rank 1 |
| 3 | Continued as Field Researcher at age 26 |
| 3 | Win a prestigious prize for your work. |
| 4 | Continued as Field Researcher at age 30 |
| 4 | Work leads to a considerable breakthrough. |
| 4 | Promoted to rank 2 |
| 5 | Continued as Field Researcher at age 34 |
| 5 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 6 | Became a Ground Assault at age 38 |
| 6 | Is now a Marine |
| 6 | Scarred. Owe 1,250 for medical bills. |
| 7 | Became a Wanderer at age 42 |
| 7 | You do not know what happened to you. There is a gap in your memory. |
| 8 | Aging Crisis. Owe 50,000 for medical bills. |
| 8 | Retired at age 46 |
| 8 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 9 | Aging Crisis. Owe 40,000 for medical bills. |
| 9 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 10 | Aging Crisis. Owe 10,000 for medical bills. |
| 10 | A romantic relationship ends badly. Gain a Rival or Enemy. |
| 11 | Aging Crisis. Owe 40,000 for medical bills. |
| 11 | A romantic relationship ends badly. Gain a Rival or Enemy. |
| 12 | Aging Crisis. Owe 60,000 for medical bills. |
| 12 | Gained a contact. |
| 13 | Aging Crisis. Owe 50,000 for medical bills. |
| 13 | Accused of a crime |
| 14 | Aging Crisis. Owe 10,000 for medical bills. |
| 14 | Gained a contact. |
| 15 | Aging Crisis. Owe 60,000 for medical bills. |