| Term | History |
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Gained a contact. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Advanced training in a specialist field |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 4 | Promoted to Engineer/Gunner rank 3 |
| 4 | Is now a Petty Officer, 2nd class |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 5 | Promoted to Engineer/Gunner rank 4 |
| 5 | Is now a Petty Officer, 1st class |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Moved to a new world. |
| 6 | Forced to muster out. |
| 7 | Became a Scientist at age 42 |
| 7 | Make a breakthrough in your field. |
| 7 | Promoted to rank 1 |
| 8 | Continued as Scientist at age 46 |
| 8 | Refused to perform research that goes against your conscience. |
| 9 | Continued as Scientist at age 50 |
| 9 | Refuse to join a cheat in some fashion. |
| 10 | Continued as Scientist at age 54 |
| 10 | A romantic relationship ends badly. Gain a Rival or Enemy. |
| 10 | Forced to muster out. |
| 11 | Switched to Field Researcher at age 58 |
| 11 | A disaster leaves several injured, and others blame you, forcing you to leave your career. Gain a Rival. |
| 11 | Severely injured. Owe 3,750 for medical bills. |
| 12 | Aging Crisis. Owe 10,000 for medical bills. |
| 12 | Retired at age 62 |
| 12 | Moved to a new world. |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |
| 13 | A new romantic starts. Gain an Ally. |
| 14 | Aging Crisis. Owe 30,000 for medical bills. |