| Term | History |
|---|
| 1 | Became a Scientist at age 18 |
| 1 | Refuse to join a cheat in some fashion. |
| 2 | Continued as Scientist at age 22 |
| 2 | Refuse to join a cheat in some fashion. |
| 2 | Forced to continue current assignment |
| 2 | Promoted to rank 1 |
| 3 | Continued as Scientist at age 26 |
| 3 | Make a breakthrough in your field. |
| 3 | Promoted to rank 2 |
| 4 | Continued as Scientist at age 30 |
| 4 | Refuse to join a cheat in some fashion. |
| 4 | Forced to continue current assignment |
| 4 | Promoted to rank 3 |
| 5 | Continued as Scientist at age 34 |
| 5 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 5 | Forced to muster out. |
| 6 | Became a Line/Crew at age 38 |
| 6 | Is now a Crewman |
| 6 | Advanced training in a specialist field |
| 7 | Continued as Line/Crew at age 42 |
| 7 | Vessel participates in a notable military engagement. |
| 8 | Aging Crisis. Owe 10,000 for medical bills. |
| 8 | Continued as Line/Crew at age 46 |
| 8 | Vessel participates in a diplomatic mission. |
| 8 | Promoted to Line/Crew rank 1 |
| 8 | Is now a Able Spacehand |
| 9 | Aging Crisis. Owe 20,000 for medical bills. |
| 9 | Continued as Line/Crew at age 50 |
| 9 | Vessel participates in a notable military engagement. |
| 9 | Promoted to Line/Crew rank 2 |
| 9 | Is now a Petty Officer, 3rd class |
| 10 | Aging Crisis. Owe 60,000 for medical bills. |