| Term | History |
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Gained a contact. |
| 1 | Attempt at commissioned failed. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Voluntarily left Engineer/Gunner |
| 2 | Became a Physician at age 22 |
| 2 | Moved to a new world. |
| 3 | Continued as Physician at age 26 |
| 3 | Refuse to join a cheat in some fashion. |
| 3 | Promoted to rank 1 |
| 4 | Continued as Physician at age 30 |
| 4 | Work leads to a considerable breakthrough. |
| 4 | Promoted to rank 2 |
| 5 | Continued as Physician at age 34 |
| 5 | 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. |
| 5 | An expedition or voyage goes wrong, leaving you stranded in the wilderness. |
| 5 | Gain an Enemy |
| 6 | Continued as Physician at age 38 |
| 6 | Win a prestigious prize for your work. |
| 6 | Forced to muster out. |
| 7 | Became a Law Enforcement at age 42 |
| 7 | Is now a Rookie |
| 7 | Life ruined by a criminal gang. Gain the gang as an Enemy |
| 8 | Aging Crisis. Owe 10,000 for medical bills. |
| 8 | Retired at age 46 |
| 8 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 9 | Aging Crisis. Owe 40,000 for medical bills. |
| 9 | Moved to a new world. |
| 10 | Aging Crisis. Owe 60,000 for medical bills. |
| 10 | A new romantic starts. Gain an Ally. |
| 11 | Aging Crisis. Owe 20,000 for medical bills. |
| 11 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 12 | Aging Crisis. Owe 60,000 for medical bills. |