| Term | History |
| 1 | Became a Scavenger at age 18 |
| 1 | Suffer from a life-threatening illness. |
| 2 | Became a Engineer/Gunner at age 22 |
| 2 | Is now a Crewman |
| 2 | Vessel participates in a notable military engagement. |
| 2 | Promoted to Engineer/Gunner rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Commanding officer takes an interest in your career. |
| 3 | Promoted to Engineer/Gunner rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Vessel participates in a diplomatic mission. |
| 4 | Promoted to Engineer/Gunner rank 3 |
| 4 | Is now a Petty Officer, 2nd class |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Commanding officer takes an interest in your career. |
| 5 | Promoted to Engineer/Gunner rank 4 |
| 5 | Is now a Petty Officer, 1st class |
| 6 | Voluntarily left Engineer/Gunner |
| 6 | Became a Worker at age 38 |
| 6 | Your business expands, your corporation grows, or the colony thrives. |
| 7 | Continued as Worker at age 42 |
| 7 | Advanced training in a specialist field. |
| 7 | Promoted to rank 1 |
| 8 | Continued as Worker at age 46 |
| 8 | You learn something you should not have – a corporate secret, a political scandal – which you can profit from illegally. |
| 9 | Continued as Worker at age 50 |
| 9 | Moved to a new world. |
| 10 | Aging Crisis. Owe 10,000 for medical bills. |