| Term | History |
| 1 | Became a Star Marine at age 18 |
| 1 | Is now a Marine |
| 1 | Advanced training in a specialist field |
| 1 | Attempt at commissioned failed. |
| 1 | Promoted to Star Marine rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Continued as Star Marine at age 22 |
| 2 | Severely injured. Fully recovered. Owe 5,000 for medical bills. |
| 3 | Became a Scientist at age 26 |
| 3 | Birth or Death involving a family member or close friend. |
| 4 | Continued as Scientist at age 30 |
| 4 | Make a breakthrough in your field. |
| 4 | Promoted to rank 1 |
| 5 | Continued as Scientist at age 34 |
| 5 | A disaster or war strikes. |
| 5 | Nearly killed. Fully recovered. Owe 15,000 for medical bills. |
| 5 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 6 | Continued as Scientist at age 38 |
| 6 | Advanced training in a specialist field. |
| 7 | Continued as Scientist at age 42 |
| 7 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 7 | Forced to muster out. |
| 8 | Became a Line/Crew at age 46 |
| 8 | Is now a Crewman |
| 8 | Vessel participates in a diplomatic mission. |
| 8 | Gain a contact. |
| 9 | Continued as Line/Crew at age 50 |
| 9 | Vessel participates in a notable military engagement. |
| 9 | Promoted to Line/Crew rank 1 |
| 9 | Is now a Able Spacehand |
| 10 | Continued as Line/Crew at age 54 |
| 10 | Vessel participates in a notable military engagement. |
| 10 | Promoted to Line/Crew rank 2 |
| 10 | Is now a Petty Officer, 3rd class |
| 11 | Aging Crisis. Owe 40,000 for medical bills. |
| 11 | Voluntarily left Line/Crew |
| 11 | Retired at age 58 |
| 11 | A new romantic starts. Gain an Ally. |
| 12 | Aging Crisis. Owe 60,000 for medical bills. |
| 12 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 13 | Aging Crisis. Owe 20,000 for medical bills. |
| 13 | Lost eye or limb. Fully recovered. Owe 10,000 for medical bills. |
| 14 | Aging Crisis. Owe 50,000 for medical bills. |
| 14 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 15 | Aging Crisis. Owe 40,000 for medical bills. |
| 15 | A romantic relationship ends badly. Gain a Rival or Enemy. |
| 16 | Aging Crisis. Owe 60,000 for medical bills. |