| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Commanding officer takes an interest in your career. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Vessel participates in a notable military engagement. |
| 2 | Attempt at commissioned failed. |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Vessel participates in a notable military engagement. |
| 3 | Attempt at commissioned failed. |
| 3 | Promoted to Engineer/Gunner rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Advanced training in a specialist field |
| 4 | Attempt at commissioned failed. |
| 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 | Attempt at commissioned failed. |
| 5 | Promoted to Engineer/Gunner rank 4 |
| 5 | Is now a Petty Officer, 1st class |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Refuse to abuse your position for profit |
| 6 | Forced to continue current assignment |
| 6 | Promoted to Engineer/Gunner rank 5 |
| 6 | Is now a Chief Petty Officer |
| 7 | Continued as Engineer/Gunner at age 42 |
| 7 | Special assignment or duty on board ship. |
| 7 | Promoted to Engineer/Gunner rank 6 |
| 7 | Is now a Master Chief |
| 7 | Forced to muster out. |
| 8 | Became a Physician at age 46 |
| 8 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Physician at age 50 |
| 9 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 10 | Continued as Physician at age 54 |
| 10 | Severely injured. Owe 6,250 for medical bills. |