| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Contact with Government. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Abuse your position for profit |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Special assignment or duty on board ship. |
| 3 | Promoted to Engineer/Gunner rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Display heroism in battle, saving the whole ship. |
| 4 | Commissioned in Navy/Engineer/Gunner |
| 4 | Is now a Ensign |
| 4 | Promoted to Engineer/Gunner officer rank 2 |
| 4 | Is now a Sublieutenant |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Special assignment or duty on board ship. |
| 5 | Promoted to Engineer/Gunner officer rank 3 |
| 5 | Is now a Lieutenant |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Vessel participates in a notable military engagement. |
| 6 | Forced to muster out. |
| 7 | Switched to Flight at age 42 |
| 7 | Placed in the frozen watch (cryogenically stored on board ship) and revived improperly. |
| 8 | Became a Scientist at age 46 |
| 8 | Refused to perform research that goes against your conscience. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Scientist at age 50 |
| 9 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 10 | Continued as Scientist at age 54 |
| 10 | Win a prestigious prize for your work. |
| 10 | Promoted to rank 2 |
| 11 | Aging Crisis. Owe 20,000 for medical bills. |