| Term | History |
|---|
| 1 | Became a Ground Assault at age 18 |
| 1 | Is now a Marine |
| 1 | On the front lines of a planetary assault and occupation. |
| 1 | Promoted to Ground Assault rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Continued as Ground Assault at age 22 |
| 2 | On the front lines of a planetary assault and occupation. |
| 2 | Promoted to Ground Assault rank 2 |
| 2 | Is now a Corporal |
| 3 | Continued as Ground Assault at age 26 |
| 3 | Trapped behind enemy lines. |
| 3 | Promoted to Ground Assault rank 3 |
| 3 | Is now a Lance Sergeant |
| 4 | Continued as Ground Assault at age 30 |
| 4 | On the front lines of a planetary assault and occupation. |
| 4 | Forced to continue current assignment |
| 4 | Promoted to Ground Assault rank 4 |
| 4 | Is now a Sergeant |
| 5 | Continued as Ground Assault at age 34 |
| 5 | Advanced training in a specialist field |
| 5 | Promoted to Ground Assault rank 5 |
| 5 | Is now a Gunnery Sergeant |
| 6 | Continued as Ground Assault at age 38 |
| 6 | Assigned to an assault on an enemy fortress. |
| 6 | Promoted to Ground Assault rank 6 |
| 6 | Is now a Sergeant Major |
| 7 | Continued as Ground Assault at age 42 |
| 7 | Advanced training in a specialist field |
| 7 | Promoted to Ground Assault rank 7 |
| 7 | Forced to muster out. |
| 8 | Became a Physician at age 46 |
| 8 | Refused to perform research that goes against your conscience. |
| 9 | Continued as Physician at age 50 |
| 9 | Refuse to join a cheat in some fashion. |
| 10 | Continued as Physician at age 54 |
| 10 | Make a breakthrough in your field. |
| 11 | Continued as Physician at age 58 |
| 11 | Make a breakthrough in your field. |
| 11 | Promoted to rank 1 |
| 12 | Continued as Physician at age 62 |
| 12 | Advanced training in a specialist field. |
| 12 | Forced to muster out. |