| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | Advanced training in a specialist field. |
| 2 | Continued as Scientist at age 22 |
| 2 | Win a prestigious prize for your work. |
| 2 | Promoted to rank 1 |
| 3 | Continued as Scientist at age 26 |
| 3 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 3 | Promoted to rank 2 |
| 4 | Continued as Scientist at age 30 |
| 4 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 5 | Continued as Scientist at age 34 |
| 5 | Refuse to join a cheat in some fashion. |
| 5 | Forced to continue current assignment |
| 5 | Promoted to rank 3 |
| 6 | Continued as Scientist at age 38 |
| 6 | Good fortune |
| 6 | Forced to muster out. |
| 7 | Became a Line/Crew at age 42 |
| 7 | Is now a Crewman |
| 7 | Special assignment or duty on board ship. |
| 7 | Promoted to Line/Crew rank 1 |
| 7 | Is now a Able Spacehand |
| 8 | Continued as Line/Crew at age 46 |
| 8 | Gained a contact. |
| 8 | Promoted to Line/Crew rank 2 |
| 8 | Is now a Petty Officer, 3rd class |
| 9 | Continued as Line/Crew at age 50 |
| 9 | Lost eye or limb. Fully recovered. |
| 9 | Promoted to Line/Crew rank 3 |
| 9 | Is now a Petty Officer, 2nd class |
| 10 | Continued as Line/Crew at age 54 |
| 10 | Gained a contact. |
| 10 | Promoted to Line/Crew rank 4 |
| 10 | Is now a Petty Officer, 1st class |
| 11 | Continued as Line/Crew at age 58 |
| 11 | A romantic relationship ends badly. Gain a Rival or Enemy. |
| 11 | Promoted to Line/Crew rank 5 |
| 11 | Is now a Chief Petty Officer |
| 12 | Continued as Line/Crew at age 62 |
| 12 | Placed in the frozen watch (cryogenically stored on board ship) and revived improperly. |
| 13 | Aging Crisis. Owe 10,000 for medical bills. |
| 13 | Retired at age 66 |
| 13 | Moved to a new world. |
| 14 | Aging Crisis. Owe 60,000 for medical bills. |