| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | You join a gambling circle on board. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Special assignment or duty on board ship. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Commanding officer takes an interest in your career. |
| 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 | Display heroism in battle, saving the whole ship. |
| 5 | Commissioned in Navy/Engineer/Gunner |
| 5 | Is now a Ensign |
| 5 | Promoted to Engineer/Gunner officer rank 2 |
| 5 | Is now a Sublieutenant |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Good fortune |
| 6 | Promoted to Engineer/Gunner officer rank 3 |
| 6 | Is now a Lieutenant |
| 7 | Continued as Engineer/Gunner at age 42 |
| 7 | Moved to a new world. |
| 7 | Promoted to Engineer/Gunner officer rank 4 |
| 7 | Is now a Commander |
| 7 | Forced to muster out. |
| 8 | Became a Physician at age 46 |
| 8 | A disaster or war strikes. |
| 8 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 9 | Continued as Physician at age 50 |
| 9 | Cheated in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 9 | Gain an Enemy |