| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | Refuse to join a cheat in some fashion. |
| 2 | Continued as Scientist at age 22 |
| 2 | Make a breakthrough in your field. |
| 2 | Promoted to rank 1 |
| 3 | Continued as Scientist at age 26 |
| 3 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 3 | Forced to muster out. |
| 4 | Became a Engineer/Gunner at age 30 |
| 4 | Is now a Crewman |
| 4 | Nearly killed. Fully recovered. |
| 5 | Switched to Physician at age 34 |
| 5 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 6 | Continued as Physician at age 38 |
| 6 | 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. |
| 6 | A rival researcher blackens your name or steals your research. Gain a Rival. |
| 6 | Gain an Enemy |
| 7 | Voluntarily left Physician |
| 7 | Switched to Flight at age 42 |
| 7 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 8 | Became a Journalist at age 46 |
| 8 | Public opinion turns on you. |
| 9 | Became a Scavenger at age 50 |
| 9 | Severely injured. Fully recovered. Owe 5,000 for medical bills. |
| 10 | Aging Crisis. Owe 10,000 for medical bills. |
| 10 | Retired at age 54 |
| 10 | Birth or Death involving a family member or close friend. |
| 11 | A new romantic starts. Gain an Ally. |
| 12 | Aging Crisis. Owe 20,000 for medical bills. |
| 12 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 13 | Aging Crisis. Owe 20,000 for medical bills. |
| 13 | Gained a contact. |
| 14 | Aging Crisis. Owe 20,000 for medical bills. |
| 14 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 15 | Aging Crisis. Owe 10,000 for medical bills. |