| Term | History |
| 1 | Entered Naval Academy at age 18 |
| 1 | Study Animals (Handling) as a hobby. |
| 1 | Graduated at age 18. |
| 2 | Became a Line/Crew at age 18 |
| 2 | Is now a Crewman |
| 2 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 2 | Promoted to Line/Crew rank 1 |
| 2 | Is now a Able Spacehand |
| 3 | Continued as Line/Crew at age 22 |
| 3 | Refuse to abuse your position for profit |
| 3 | Promoted to Line/Crew rank 2 |
| 3 | Is now a Petty Officer, 3rd class |
| 4 | Continued as Line/Crew at age 26 |
| 4 | Advanced training in a specialist field |
| 4 | Promoted to Line/Crew rank 3 |
| 4 | Is now a Petty Officer, 2nd class |
| 5 | Continued as Line/Crew at age 30 |
| 5 | Advanced training in a specialist field |
| 6 | Continued as Line/Crew at age 34 |
| 6 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 6 | Forced to muster out. |
| 7 | Became a Physician at age 38 |
| 7 | Cheated in some fashion, advancing your career and research by stealing another’s work, using an alien device, taking a shortcut and so forth. |
| 7 | Gain an Enemy |
| 8 | Continued as Physician at age 42 |
| 8 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 9 | Aging Crisis. Owe 60,000 for medical bills. |
| 9 | Continued as Physician at age 46 |
| 9 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 9 | Forced to muster out. |
| 10 | Aging Crisis. Owe 30,000 for medical bills. |
| 10 | Retired at age 50 |
| 10 | Gained a contact. |
| 11 | Aging Crisis. Owe 50,000 for medical bills. |
| 11 | Gained a contact. |
| 12 | Aging Crisis. Owe 10,000 for medical bills. |
| 12 | Moved to a new world. |
| 13 | Aging Crisis. Owe 30,000 for medical bills. |
| 13 | A new romantic starts. Gain an Ally. |
| 14 | Aging Crisis. Owe 30,000 for medical bills. |
| 14 | Injured. Fully recovered. Owe 5,000 for medical bills. |
| 15 | Aging Crisis. Owe 20,000 for medical bills. |
| 15 | Good fortune |
| 16 | Aging Crisis. Owe 30,000 for medical bills. |
| 16 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 17 | Aging Crisis. Owe 50,000 for medical bills. |