| 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 | Vessel participates in a notable military engagement. |
| 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 | Commissioned in Navy/Engineer/Gunner |
| 3 | Is now a Ensign |
| 3 | Promoted to Engineer/Gunner officer rank 2 |
| 3 | Is now a Sublieutenant |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | Vessel participates in a notable military engagement. |
| 4 | Promoted to Engineer/Gunner officer rank 3 |
| 4 | Is now a Lieutenant |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Vessel participates in a notable military engagement. |
| 5 | Promoted to Engineer/Gunner officer rank 4 |
| 5 | Is now a Commander |
| 6 | Continued as Engineer/Gunner at age 38 |
| 6 | Vessel participates in a notable military engagement. |
| 6 | Promoted to Engineer/Gunner officer rank 5 |
| 6 | Is now a Captain |
| 7 | Continued as Engineer/Gunner at age 42 |
| 7 | Lost eye or limb. Fully recovered. |
| 8 | Became a Merchant Marine at age 46 |
| 8 | Is now a Crewman |
| 8 | A good deal ensures you are living the high life for a few years. |
| 9 | Continued as Merchant Marine at age 50 |
| 10 | Aging Crisis. Owe 10,000 for medical bills. |
| 10 | Continued as Merchant Marine at age 54 |
| 10 | Embroiled in legal trouble. |
| 11 | Aging Crisis. Owe 20,000 for medical bills. |
| 11 | Continued as Merchant Marine at age 58 |
| 11 | Risk your fortune on a possibility lucrative deal and win. |
| 11 | Promoted to rank 1 |
| 11 | Is now a Senior Crewman |
| 12 | Aging Crisis. Owe 40,000 for medical bills. |