| Term | History |
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Advanced training in a specialist field |
| 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 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Advanced training in a specialist field |
| 3 | Promoted to Engineer/Gunner rank 3 |
| 3 | Is now a Petty Officer, 2nd 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 | Moved to a new world. |
| 5 | Promoted to Engineer/Gunner officer rank 3 |
| 5 | Is now a Lieutenant |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Commanding officer takes an interest in your career. |
| 6 | Promoted to Engineer/Gunner officer rank 4 |
| 6 | Is now a Commander |
| 7 | Continued as Engineer/Gunner at age 42 |
| 7 | During a battle, defeat or victory depends on your actions. You actions lead to an honorabe discharge. |
| 8 | Became a Scientist at age 46 |
| 8 | Make a breakthrough in your field. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Scientist at age 50 |
| 9 | Assigned to work on a secret project for a patron or organisation. |
| 9 | Promoted to rank 2 |
| 10 | Continued as Scientist at age 54 |
| 10 | Caught cheating in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 10 | A disaster or war strikes. |
| 10 | Scarred. Fully recovered. Owe 2,500 for medical bills. |
| 10 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 10 | Gain an Enemy |
| 10 | Promoted to rank 3 |