| Term | History |
|---|
| 1 | Became a Scientist at age 18 |
| 1 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 1 | Promoted to rank 1 |
| 2 | Continued as Scientist at age 22 |
| 2 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 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 | Advanced training in a specialist field. |
| 5 | Voluntarily left Scientist |
| 5 | Became a Engineer/Gunner at age 34 |
| 5 | Is now a Crewman |
| 5 | Injured. Fully recovered. |
| 5 | Promoted to Engineer/Gunner rank 1 |
| 5 | Is now a Able Spacehand |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Advanced training in a specialist field |
| 6 | Promoted to Engineer/Gunner rank 2 |
| 6 | Is now a Petty Officer, 3rd class |
| 7 | Continued as Engineer/Gunner at age 42 |
| 7 | Advanced training in a specialist field |
| 7 | Promoted to Engineer/Gunner rank 3 |
| 7 | Is now a Petty Officer, 2nd class |
| 8 | Continued as Engineer/Gunner at age 46 |
| 8 | Gained a contact. |
| 8 | Promoted to Engineer/Gunner rank 4 |
| 8 | Is now a Petty Officer, 1st class |
| 9 | Voluntarily left Engineer/Gunner |
| 9 | Switched to Flight at age 50 |
| 9 | Advanced training in a specialist field |
| 9 | Promoted to Flight rank 5 |
| 9 | Is now a Chief Petty Officer |
| 10 | Aging Crisis. Owe 60,000 for medical bills. |
| 10 | Continued as Flight at age 54 |
| 10 | Vessel participates in a notable military engagement. |
| 11 | Aging Crisis. Owe 60,000 for medical bills. |
| 11 | Continued as Flight at age 58 |
| 11 | Lightly injured, no permanent damage. Fully recovered. |
| 12 | Aging Crisis. Owe 30,000 for medical bills. |
| 12 | Retired at age 62 |
| 12 | A new romantic starts. Gain an Ally. |
| 13 | Aging Crisis. Owe 60,000 for medical bills. |
| 13 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 14 | Aging Crisis. Owe 30,000 for medical bills. |
| 14 | Moved to a new world. |
| 15 | Aging Crisis. Owe 40,000 for medical bills. |