| Term | History |
|---|
| 1 | Became a Line/Crew at age 18 |
| 1 | Is now a Crewman |
| 1 | Vessel participates in a diplomatic mission. |
| 1 | Promoted to Line/Crew rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Line/Crew at age 22 |
| 2 | Advanced training in a specialist field |
| 2 | Promoted to Line/Crew rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Line/Crew at age 26 |
| 3 | Advanced training in a specialist field |
| 3 | Promoted to Line/Crew rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Line/Crew at age 30 |
| 4 | Vessel participates in a diplomatic mission. |
| 4 | Gain a contact. |
| 4 | Forced to muster out. |
| 5 | Switched to Engineer/Gunner at age 34 |
| 5 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 5 | Promoted to Engineer/Gunner rank 4 |
| 5 | Is now a Petty Officer, 1st class |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Display heroism in battle, saving the whole ship. |
| 6 | Commissioned in Navy/Engineer/Gunner |
| 6 | Is now a Ensign |
| 6 | Promoted to Engineer/Gunner officer rank 2 |
| 6 | Is now a Sublieutenant |
| 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 Field Researcher at age 46 |
| 8 | 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. |
| 8 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 8 | Gain an Enemy |
| 8 | Promoted to rank 1 |