| Term | History |
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Special assignment or duty on board ship. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Good fortune |
| 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 notable military engagement. |
| 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. |
| 5 | Voluntarily left Engineer/Gunner |
| 5 | Became a Explorer at age 34 |
| 5 | Gained a contact. |
| 5 | Promoted to rank 1 |
| 5 | Is now a Scout |
| 6 | Continued as Explorer at age 38 |
| 6 | You inadvertently cause a conflict between the Imperium and a minor world or race. Gain a Rival. |
| 7 | Became a Scientist at age 42 |
| 7 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 8 | Continued as Scientist at age 46 |
| 8 | Win a prestigious prize for your work. |
| 9 | Continued as Scientist at age 50 |
| 9 | Win a prestigious prize for your work. |
| 10 | Continued as Scientist at age 54 |
| 10 | Assigned to work on a secret project for a patron or organisation. |