| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Special assignment or duty on board ship. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Special assignment or duty on board ship. |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Vessel participates in a notable military engagement. |
| 3 | Promoted to Engineer/Gunner rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Vessel participates in a diplomatic mission. |
| 4 | Gain a contact. |
| 4 | Promoted to Engineer/Gunner rank 4 |
| 4 | Is now a Petty Officer, 1st class |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Severely injured. Fully recovered. |
| 6 | Aging Crisis. Owe 50,000 for medical bills. |
| 6 | Retired at age 38 |
| 6 | A new romantic starts. Gain an Ally. |
| 7 | Injured. Fully recovered. Owe 5,000 for medical bills. |
| 8 | Aging Crisis. Owe 40,000 for medical bills. |
| 8 | Moved to a new world. |
| 9 | Aging Crisis. Owe 60,000 for medical bills. |
| 9 | Gained a contact. |
| 10 | Aging Crisis. Owe 20,000 for medical bills. |
| 10 | A romantic relationship ends badly. Gain a Rival or Enemy. |
| 11 | Aging Crisis. Owe 40,000 for medical bills. |
| 11 | Good fortune |
| 12 | Aging Crisis. Owe 20,000 for medical bills. |