| Term | History |
| 1 | Became a Ground Assault at age 18 |
| 1 | Is now a Marine |
| 1 | A mission goes wrong; you and several others are captured and mistreated by the enemy. Gain your jailer as an Enemy. |
| 1 | Promoted to Ground Assault rank 1 |
| 1 | Is now a Lance Corporal |
| 2 | Continued as Ground Assault at age 22 |
| 2 | A mission goes disastrously wrong due to your commander’s error or incompetence, but you survive. |
| 2 | Report commander and gain an Enemy. |
| 2 | Promoted to Ground Assault rank 2 |
| 2 | Is now a Corporal |
| 3 | Continued as Ground Assault at age 26 |
| 3 | A mission goes disastrously wrong due to your commander’s error or incompetence, but you survive. |
| 3 | Report commander and gain an Enemy. |
| 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 | Assigned to the security staff of a space station. |
| 5 | Forced to continue current assignment |
| 5 | Promoted to Ground Assault rank 5 |
| 5 | Is now a Gunnery Sergeant |
| 6 | Continued as Ground Assault at age 38 |
| 6 | Advanced training in a specialist field |
| 6 | Promoted to Ground Assault rank 6 |
| 6 | Is now a Sergeant Major |
| 7 | Continued as Ground Assault at age 42 |
| 7 | Commanding officer takes an interest in your career. |
| 7 | Promoted to Ground Assault rank 7 |
| 7 | Forced to muster out. |
| 8 | Became a Army Support at age 46 |
| 8 | Is now a Private |
| 8 | Thrown into a brutal ground war |
| 8 | Promoted to Army Support rank 1 |
| 8 | Is now a Lance Corporal |
| 9 | Continued as Army Support at age 50 |
| 9 | Commanding officer takes an interest in your career. |
| 9 | Promoted to Army Support rank 2 |
| 9 | Is now a Corporal |
| 10 | Voluntarily left Army Support |
| 10 | Became a Line/Crew at age 54 |
| 10 | Is now a Crewman |
| 10 | Special assignment or duty on board ship. |
| 10 | Promoted to Line/Crew rank 1 |
| 10 | Is now a Able Spacehand |