| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | Advanced training in a specialist field. |
| 1 | Promoted to rank 1 |
| 2 | Continued as Scientist at age 22 |
| 2 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 2 | Promoted to rank 2 |
| 3 | Continued as Scientist at age 26 |
| 3 | Win a prestigious prize for your work. |
| 3 | Promoted to rank 3 |
| 4 | Continued as Scientist at age 30 |
| 4 | A new romantic starts. Gain an Ally. |
| 4 | Promoted to rank 4 |
| 5 | Continued as Scientist at age 34 |
| 5 | Make a breakthrough in your field. |
| 6 | Continued as Scientist at age 38 |
| 6 | Win a prestigious prize for your work. |
| 6 | Promoted to rank 5 |
| 7 | Continued as Scientist at age 42 |
| 7 | Lost eye or limb. Fully recovered. |
| 8 | Became a Engineer/Gunner at age 46 |
| 8 | Is now a Crewman |
| 8 | A new romantic starts. Gain an Ally. |
| 8 | Promoted to Engineer/Gunner rank 1 |
| 8 | Is now a Able Spacehand |
| 9 | Continued as Engineer/Gunner at age 50 |
| 9 | Advanced training in a specialist field |
| 10 | Continued as Engineer/Gunner at age 54 |
| 10 | Special assignment or duty on board ship. |
| 10 | Promoted to Engineer/Gunner rank 2 |
| 10 | Is now a Petty Officer, 3rd class |
| 11 | Aging Crisis. Owe 40,000 for medical bills. |
| 11 | Continued as Engineer/Gunner at age 58 |
| 11 | Commanding officer takes an interest in your career. |
| 11 | Promoted to Engineer/Gunner rank 3 |
| 11 | Is now a Petty Officer, 2nd class |
| 12 | Aging Crisis. Owe 40,000 for medical bills. |
| 12 | Continued as Engineer/Gunner at age 62 |
| 12 | Abuse your position for profit |
| 12 | Promoted to Engineer/Gunner rank 4 |
| 12 | Is now a Petty Officer, 1st class |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |
| 13 | Continued as Engineer/Gunner at age 66 |
| 13 | You are falsed accused for an accident that causes the death of several crew members. Gain the officer who blamed you as an Enemy. |
| 14 | Aging Crisis. Owe 40,000 for medical bills. |
| 14 | Retired at age 70 |
| 14 | Good fortune |
| 15 | Aging Crisis. Owe 60,000 for medical bills. |