| Term | History |
| 1 | Became a Field Researcher at age 18 |
| 1 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 2 | Became a Engineer/Gunner at age 22 |
| 2 | Is now a Crewman |
| 2 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 2 | Promoted to Engineer/Gunner rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 3 | Promoted to Engineer/Gunner rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Scarred. Fully recovered. Owe 2,500 for medical bills. |
| 4 | Promoted to Engineer/Gunner rank 3 |
| 4 | Is now a Petty Officer, 2nd class |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Special assignment or duty on board ship. |
| 5 | Promoted to Engineer/Gunner rank 4 |
| 5 | Is now a Petty Officer, 1st class |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Vessel participates in a notable military engagement. |
| 6 | Promoted to Engineer/Gunner rank 5 |
| 6 | Is now a Chief Petty Officer |
| 7 | Continued as Engineer/Gunner at age 42 |
| 7 | You are falsed accused for an accident that causes the death of several crew members. Gain the officer who blamed you as an Enemy. |
| 7 | Promoted to Engineer/Gunner rank 6 |
| 7 | Is now a Master Chief |
| 8 | Continued as Engineer/Gunner at age 46 |
| 8 | Special assignment or duty on board ship. |
| 8 | Forced to muster out. |
| 9 | Switched to Physician at age 50 |
| 9 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 10 | Aging Crisis. Owe 30,000 for medical bills. |
| 10 | Continued as Physician at age 54 |
| 10 | Scarred. Fully recovered. Owe 5,000 for medical bills. |
| 11 | Aging Crisis. Owe 60,000 for medical bills. |
| 11 | Continued as Physician at age 58 |
| 11 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 11 | Promoted to rank 1 |
| 12 | Aging Crisis. Owe 50,000 for medical bills. |
| 12 | Voluntarily left Physician |
| 12 | Retired at age 62 |
| 12 | Moved to a new world. |
| 13 | Aging Crisis. Owe 50,000 for medical bills. |