| Term | History |
| 1 | Became a Line/Crew at age 18 |
| 1 | Is now a Crewman |
| 1 | Vessel participates in a notable military engagement. |
| 2 | Continued as Line/Crew at age 22 |
| 2 | A new romantic starts. Gain an Ally. |
| 2 | Forced to continue current assignment |
| 2 | Promoted to Line/Crew rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Continued as Line/Crew at age 26 |
| 3 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 4 | Became a Field Researcher at age 30 |
| 4 | Win a prestigious prize for your work. |
| 4 | Forced to muster out. |
| 5 | Became a Broker at age 34 |
| 5 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 6 | Continued as Broker at age 38 |
| 6 | Promoted to rank 1 |
| 7 | Continued as Broker at age 42 |
| 7 | Promoted to rank 2 |
| 8 | Continued as Broker at age 46 |
| 8 | Befriend a useful ally in one sphere. Gain an Ally. |
| 9 | Continued as Broker at age 50 |
| 9 | A series of bad deals and decisions force you into bankruptcy. You salvage what you can. |
| 10 | Switched to Scientist at age 54 |
| 10 | Win a prestigious prize for your work. |
| 11 | Continued as Scientist at age 58 |
| 11 | Spend time with an alien race. Gain a contact. |
| 11 | Promoted to rank 1 |
| 12 | Aging Crisis. Owe 50,000 for medical bills. |
| 12 | Continued as Scientist at age 62 |
| 12 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 13 | Aging Crisis. Owe 20,000 for medical bills. |
| 13 | Continued as Scientist at age 66 |
| 13 | Refuse to join a cheat in some fashion. |
| 14 | Aging Crisis. Owe 20,000 for medical bills. |
| 14 | Continued as Scientist at age 70 |
| 14 | Assigned to work on a secret project for a patron or organisation. |
| 14 | Forced to muster out. |
| 15 | Aging Crisis. Owe 30,000 for medical bills. |