| Term | History |
|---|
| 1 | Became a Ground Assault at age 18 |
| 1 | Is now a Marine |
| 1 | Assigned to an assault on an enemy fortress. |
| 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 | On the front lines of a planetary assault and occupation. |
| 4 | Continued as Ground Assault at age 30 |
| 4 | Assigned to a black ops mission. |
| 4 | Promoted to Ground Assault rank 3 |
| 4 | Is now a Lance Sergeant |
| 5 | Continued as Ground Assault at age 34 |
| 5 | Assigned to an assault on an enemy fortress. |
| 5 | Promoted to Ground Assault rank 4 |
| 5 | Is now a Sergeant |
| 6 | Continued as Ground Assault at age 38 |
| 6 | A mission goes disastrously wrong due to your commander’s error or incompetence, but you survive. |
| 6 | Report commander and gain an Enemy. |
| 6 | Promoted to Ground Assault rank 5 |
| 6 | Is now a Gunnery Sergeant |
| 7 | Continued as Ground Assault at age 42 |
| 7 | Display heroism in battle. |
| 7 | Commissioned in Marine/Ground Assault |
| 7 | Is now a Lieutenant |
| 7 | Promoted to Ground Assault officer rank 2 |
| 7 | Is now a Captain |
| 8 | Continued as Ground Assault at age 46 |
| 8 | You are ordered to take part in a black ops mission that goes against your conscience. Gain the lone survivor as an Enemy. |
| 9 | Became a Physician at age 50 |
| 9 | Advanced training in a specialist field. |