| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Vessel participates in a notable military engagement. |
| 1 | Attempt at commissioned failed. |
| 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 diplomatic mission. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Vessel participates in a diplomatic mission. |
| 3 | Gain a contact. |
| 3 | Promoted to Engineer/Gunner rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 4 | Promoted to Engineer/Gunner rank 4 |
| 4 | Is now a Petty Officer, 1st class |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 5 | Forced to muster out. |
| 6 | Became a Field Researcher at age 38 |
| 6 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 7 | Became a Thief at age 42 |
| 7 | Lightly injured, no permanent damage. Fully recovered. |
| 8 | Returned to Engineer/Gunner at age 46 |
| 8 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 8 | Promoted to Engineer/Gunner rank 5 |
| 8 | Is now a Chief Petty Officer |
| 9 | Continued as Engineer/Gunner at age 50 |
| 9 | You are blamed for an accident that causes the death of several crew members. Your guilt drives you to excel. |