| 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 | Injured |
| 1 | Promoted to Ground Assault rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Continued as Ground Assault at age 22 |
| 2 | Severely injured. Fully recovered. |
| 2 | Promoted to Ground Assault rank 2 |
| 2 | Is now a Corporal |
| 3 | Continued as Ground Assault at age 26 |
| 3 | Commanding officer takes an interest in your career. |
| 3 | Promoted to Ground Assault rank 3 |
| 3 | Is now a Lance Sergeant |
| 4 | Continued as Ground Assault at age 30 |
| 4 | Advanced training in a specialist field |
| 4 | Promoted to Ground Assault rank 4 |
| 4 | Is now a Sergeant |
| 5 | Continued as Ground Assault at age 34 |
| 5 | On the front lines of a planetary assault and occupation. |
| 5 | Promoted to Ground Assault rank 5 |
| 5 | Is now a Gunnery Sergeant |
| 6 | Continued as Ground Assault at age 38 |
| 6 | Assigned to the security staff of a space station. |
| 6 | Promoted to Ground Assault rank 6 |
| 6 | Is now a Sergeant Major |
| 7 | Continued as Ground Assault at age 42 |
| 7 | A mission goes disastrously wrong due to your commander’s error or incompetence, but you survive. |
| 7 | Report commander and gain an Enemy. |
| 7 | Promoted to Ground Assault rank 7 |
| 8 | Continued as Ground Assault at age 46 |
| 8 | Assigned to an assault on an enemy fortress. |
| 8 | Forced to continue current assignment |
| 8 | Promoted to Ground Assault rank 8 |
| 9 | Continued as Ground Assault at age 50 |
| 9 | Assigned to an assault on an enemy fortress. |
| 9 | Promoted to Ground Assault rank 9 |
| 9 | Forced to muster out. |
| 10 | Aging Crisis. Owe 40,000 for medical bills. |