| Term | History |
| 1 | Became a Ground Assault at age 18 |
| 1 | Is now a Marine |
| 1 | Scarred. Fully recovered. Owe 10,000 for medical bills. |
| 1 | Promoted to Ground Assault rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Continued as Ground Assault at age 22 |
| 2 | A romantic relationship deepens, possibly leading to marriage. Gain an Ally. |
| 2 | Promoted to Ground Assault rank 2 |
| 2 | Is now a Corporal |
| 3 | Continued as Ground Assault at age 26 |
| 3 | Gained a contact. |
| 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 | 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 | On the front lines of a planetary assault and occupation. |
| 6 | Promoted to Ground Assault rank 6 |
| 6 | Is now a Sergeant Major |
| 7 | Voluntarily left Ground Assault |
| 7 | Became a Field Researcher at age 42 |
| 7 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 7 | Promoted to rank 1 |
| 8 | Continued as Field Researcher at age 46 |
| 8 | Work leads to a considerable breakthrough. |
| 8 | Promoted to rank 2 |
| 9 | Continued as Field Researcher at age 50 |
| 9 | Refused to perform research that goes against your conscience. |
| 10 | Continued as Field Researcher at age 54 |
| 10 | Win a prestigious prize for your work. |
| 10 | Promoted to rank 3 |