| 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 | Advanced training in a specialist field |
| 2 | Promoted to Engineer/Gunner rank 2 |
| 2 | Is now a Petty Officer, 3rd class |
| 3 | Voluntarily left Engineer/Gunner |
| 3 | Became a Infantry at age 26 |
| 3 | Is now a Private |
| 3 | Advanced training in a specialist field |
| 3 | Commissioned in Army/Infantry |
| 3 | Is now a Lieutenant |
| 3 | Promoted to Infantry officer rank 2 |
| 3 | Is now a Captain |
| 4 | Continued as Infantry at age 30 |
| 4 | Assigned to a planet with a hostile or wild environment. |
| 4 | Promoted to Infantry officer rank 3 |
| 4 | Is now a Major |
| 5 | Continued as Infantry at age 34 |
| 5 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 5 | Promoted to Infantry officer rank 4 |
| 5 | Is now a Lieutenant Colonel |
| 6 | Continued as Infantry at age 38 |
| 6 | Thrown into a brutal ground war |
| 6 | Lightly injured, no permanent damage. Fully recovered. |
| 6 | Forced to continue current assignment |
| 6 | Promoted to Infantry officer rank 5 |
| 6 | Is now a Colonel |
| 7 | Continued as Infantry at age 42 |
| 7 | Injured. Fully recovered. Owe 5,000 for medical bills. |
| 8 | Became a Barbarian at age 46 |
| 8 | Severely injured. Fully recovered. Owe 5,000 for medical bills. |