| Term | History |
|---|
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Vessel participates in a notable military engagement. |
| 1 | Attempt at commissioned failed. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Gained a contact. |
| 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 diplomatic mission. |
| 3 | Promoted to Engineer/Gunner rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Special assignment or duty on board ship. |
| 4 | Promoted to Engineer/Gunner rank 4 |
| 4 | Is now a Petty Officer, 1st class |
| 5 | Voluntarily left Engineer/Gunner |
| 5 | Became a Merchant Marine at age 34 |
| 5 | Is now a Crewman |
| 5 | Embroiled in legal trouble. |
| 5 | Promoted to rank 1 |
| 5 | Is now a Senior Crewman |
| 6 | Continued as Merchant Marine at age 38 |
| 6 | Embroiled in legal trouble. |
| 7 | Aging Crisis. Owe 30,000 for medical bills. |
| 7 | Continued as Merchant Marine at age 42 |
| 7 | Moved to a new world. |
| 7 | Promoted to rank 2 |
| 7 | Is now a 4th Officer |
| 8 | Continued as Merchant Marine at age 46 |
| 8 | Forced to muster out. |
| 9 | Retired at age 50 |
| 9 | A new romantic starts. Gain an Ally. |
| 10 | Aging Crisis. Owe 20,000 for medical bills. |
| 10 | Moved to a new world. |
| 11 | Aging Crisis. Owe 60,000 for medical bills. |
| 11 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 12 | Aging Crisis. Owe 50,000 for medical bills. |
| 12 | Gained a contact. |
| 13 | Aging Crisis. Owe 60,000 for medical bills. |
| 13 | Moved to a new world. |
| 14 | Aging Crisis. Owe 40,000 for medical bills. |
| 14 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 15 | Aging Crisis. Owe 10,000 for medical bills. |
| 15 | Gained a contact. |
| 16 | Aging Crisis. Owe 30,000 for medical bills. |