| Term | History |
| 1 | Became a Explorer at age 18 |
| 1 | Psychologically damaged by your time in the scouts. |
| 2 | Became a Star Marine at age 22 |
| 2 | Is now a Marine |
| 2 | You are tormented by or quarrel with an officer or fellow soldier. Gain that officer as a Rival. |
| 3 | Became a Field Researcher at age 26 |
| 3 | Nearly killed. Fully recovered. Owe 12,500 for medical bills. |
| 4 | Returned to Explorer at age 30 |
| 4 | When dealing with an alien race, you botch an opportunity to gather extra intelligence about them. |
| 4 | Injured. Fully recovered. Owe 2,500 for medical bills. |
| 4 | Promoted to rank 1 |
| 4 | Is now a Scout |
| 5 | Continued as Explorer at age 34 |
| 5 | You survey an alien world. |
| 5 | Forced to muster out. |
| 6 | Switched to Scientist at age 38 |
| 6 | Win a prestigious prize for your work. |
| 7 | Continued as Scientist at age 42 |
| 7 | Refuse to join a cheat in some fashion. |
| 8 | Continued as Scientist at age 46 |
| 8 | Make a breakthrough in your field. |
| 8 | Promoted to rank 1 |
| 9 | Continued as Scientist at age 50 |
| 9 | A disaster or war strikes. |
| 9 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 10 | Continued as Scientist at age 54 |
| 10 | Nearly killed. Owe 20,000 for medical bills. |
| 10 | Promoted to rank 2 |
| 11 | Continued as Scientist at age 58 |
| 11 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 11 | Promoted to rank 3 |
| 12 | Aging Crisis. Owe 10,000 for medical bills. |
| 12 | Continued as Scientist at age 62 |
| 12 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 12 | Forced to continue current assignment |
| 12 | Promoted to rank 4 |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |