| Term | History |
|---|
| 1 | Became a Scientist at age 18 |
| 1 | Advanced training in a specialist field. |
| 2 | Continued as Scientist at age 22 |
| 2 | Win a prestigious prize for your work. |
| 2 | Promoted to rank 1 |
| 3 | Continued as Scientist at age 26 |
| 3 | Advanced training in a specialist field. |
| 4 | Continued as Scientist at age 30 |
| 4 | Make a breakthrough in your field. |
| 4 | Promoted to rank 2 |
| 5 | Continued as Scientist at age 34 |
| 5 | Refuse to join a cheat in some fashion. |
| 5 | Forced to muster out. |
| 6 | Became a Flight at age 38 |
| 6 | Is now a Crewman |
| 6 | You are blamed for an accident that causes the death of several crew members. Your guilt drives you to excel. |
| 7 | Switched to Line/Crew at age 42 |
| 7 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 7 | Promoted to Line/Crew rank 1 |
| 7 | Is now a Able Spacehand |
| 8 | Voluntarily left Line/Crew |
| 8 | Became a Surveyor at age 46 |
| 8 | Nearly killed. Fully recovered. Owe 50,000 for medical bills. |
| 9 | Returned to Flight at age 50 |
| 9 | Victim of a crime |
| 10 | Continued as Flight at age 54 |
| 10 | Severely injured. Fully recovered. |
| 11 | Became a Wanderer at age 58 |
| 12 | Continued as Wanderer at age 62 |
| 12 | Scarred. Fully recovered. Owe 10,000 for medical bills. |
| 13 | Aging Crisis. Owe 30,000 for medical bills. |
| 13 | Retired at age 66 |
| 13 | Moved to a new world. |
| 14 | Aging Crisis. Owe 50,000 for medical bills. |
| 14 | A new romantic starts. Gain an Ally. |
| 15 | Aging Crisis. Owe 50,000 for medical bills. |