| Term | History |
| 1 | Became a Physician at age 18 |
| 1 | Refused to perform research that goes against your conscience. |
| 2 | Continued as Physician at age 22 |
| 2 | Agreed to perform research that goes against your conscience. Gain 2 Enemies. |
| 3 | Continued as Physician at age 26 |
| 3 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 4 | Continued as Physician at age 30 |
| 4 | Refuse to join a cheat in some fashion. |
| 5 | Continued as Physician at age 34 |
| 5 | Caught cheating in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 5 | Nearly killed. Fully recovered. Owe 6,250 for medical bills. |
| 5 | Gain an Enemy |
| 5 | Promoted to rank 1 |
| 6 | Continued as Physician at age 38 |
| 6 | Victim of a crime |
| 6 | Promoted to rank 2 |
| 7 | Continued as Physician at age 42 |
| 7 | Refuse to join a cheat in some fashion. |
| 7 | Promoted to rank 3 |
| 8 | Voluntarily left Physician |
| 8 | Became a Engineer/Gunner at age 46 |
| 8 | Is now a Crewman |
| 8 | Vessel participates in a notable military engagement. |
| 8 | Promoted to Engineer/Gunner rank 1 |
| 8 | Is now a Able Spacehand |
| 9 | Aging Crisis. Owe 40,000 for medical bills. |
| 9 | Continued as Engineer/Gunner at age 50 |
| 9 | Vessel participates in a notable military engagement. |
| 9 | Promoted to Engineer/Gunner rank 2 |
| 9 | Is now a Petty Officer, 3rd class |
| 10 | Aging Crisis. Owe 30,000 for medical bills. |
| 10 | Continued as Engineer/Gunner at age 54 |
| 10 | A new romantic starts. Gain an Ally. |
| 10 | Promoted to Engineer/Gunner rank 3 |
| 10 | Is now a Petty Officer, 2nd class |
| 11 | Aging Crisis. Owe 20,000 for medical bills. |
| 11 | Continued as Engineer/Gunner at age 58 |
| 11 | Special assignment or duty on board ship. |
| 11 | Forced to muster out. |
| 12 | Aging Crisis. Owe 30,000 for medical bills. |
| 12 | Retired at age 62 |
| 12 | Victim of a crime |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |
| 13 | A new romantic starts. Gain an Ally. |
| 14 | Aging Crisis. Owe 10,000 for medical bills. |
| 14 | Moved to a new world. |
| 15 | Aging Crisis. Owe 20,000 for medical bills. |