| Term | History |
| 1 | Became a Engineer/Gunner at age 18 |
| 1 | Is now a Crewman |
| 1 | Vessel participates in a notable military engagement. |
| 1 | Promoted to Engineer/Gunner rank 1 |
| 1 | Is now a Able Spacehand |
| 2 | Continued as Engineer/Gunner at age 22 |
| 2 | Refuse to abuse your position for profit |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Continued as Engineer/Gunner at age 26 |
| 3 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 3 | Promoted to Engineer/Gunner rank 3 |
| 3 | Is now a Petty Officer, 2nd class |
| 4 | Continued as Engineer/Gunner at age 30 |
| 4 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 4 | Promoted to Engineer/Gunner rank 4 |
| 4 | Is now a Petty Officer, 1st class |
| 5 | Continued as Engineer/Gunner at age 34 |
| 5 | Vessel participates in a notable military engagement. |
| 5 | Forced to muster out. |
| 6 | Became a Wanderer at age 38 |
| 6 | Attacked by enemies and injured. |
| 6 | Severely injured. Fully recovered. Owe 12,500 for medical bills. |
| 6 | Gain Enemy if you don't already have one. |
| 6 | Forced to muster out. |
| 7 | Became a Worker at age 42 |
| 7 | You are rewarded for your diligence or cunning. |
| 8 | Aging Crisis. Owe 60,000 for medical bills. |