| Term | History |
| 1 | Became a Ground Assault at age 18 |
| 1 | Is now a Marine |
| 1 | Trapped behind enemy lines. |
| 1 | Attempt at commissioned failed. |
| 1 | Promoted to Ground Assault rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Voluntarily left Ground Assault |
| 2 | Switched to Marine Support at age 22 |
| 2 | Assigned to an assault on an enemy fortress. |
| 2 | Promoted to Marine Support rank 2 |
| 2 | Is now a Corporal |
| 3 | Continued as Marine Support at age 26 |
| 3 | Assigned to the security staff of a space station. |
| 3 | Promoted to Marine Support rank 3 |
| 3 | Is now a Lance Sergeant |
| 4 | Continued as Marine Support at age 30 |
| 4 | Assigned to a black ops mission. |
| 4 | Promoted to Marine Support rank 4 |
| 4 | Is now a Sergeant |
| 5 | Continued as Marine Support at age 34 |
| 5 | Assigned to a black ops mission. |
| 5 | Promoted to Marine Support rank 5 |
| 5 | Is now a Gunnery Sergeant |
| 6 | Continued as Marine Support at age 38 |
| 6 | Advanced training in a specialist field |
| 6 | Forced to muster out. |
| 7 | Became a Engineer/Gunner at age 42 |
| 7 | Is now a Crewman |
| 7 | Vessel participates in a diplomatic mission. |
| 7 | Commissioned in Navy/Engineer/Gunner |
| 7 | Is now a Ensign |
| 7 | Promoted to Engineer/Gunner officer rank 2 |
| 7 | Is now a Sublieutenant |
| 8 | Voluntarily left Engineer/Gunner |
| 8 | Became a Barbarian at age 46 |
| 8 | Amnesia. |
| 8 | Forced to muster out. |
| 9 | Switched to Scavenger at age 50 |
| 9 | Betrayal. Convert an Ally into a Rival or Enemy. |